<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article PUBLIC "-//NLM//DTD Journal Publishing DTD v2.0 20040830//EN" "journalpublishing.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="2.0" xml:lang="en" article-type="letter"><front><journal-meta><journal-id journal-id-type="nlm-ta">JMIR Mhealth Uhealth</journal-id><journal-id journal-id-type="publisher-id">mhealth</journal-id><journal-id journal-id-type="index">13</journal-id><journal-title>JMIR mHealth and uHealth</journal-title><abbrev-journal-title>JMIR Mhealth Uhealth</abbrev-journal-title><issn pub-type="epub">2291-5222</issn><publisher><publisher-name>JMIR Publications</publisher-name><publisher-loc>Toronto, Canada</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">v13i1e70895</article-id><article-id pub-id-type="doi">10.2196/70895</article-id><article-categories><subj-group subj-group-type="heading"><subject>Letter to the Editor</subject></subj-group></article-categories><title-group><article-title>Clarifying Blood Indices in Patients With Ovarian Cancer</article-title></title-group><contrib-group><contrib contrib-type="author"><name name-style="western"><surname>Lian</surname><given-names>Chengwei</given-names></name><degrees>BS</degrees><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff2">2</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Fan</surname><given-names>Yu</given-names></name><degrees>MSc</degrees><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff2">2</xref></contrib><contrib contrib-type="author" corresp="yes"><name name-style="western"><surname>Li</surname><given-names>Jinke</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib></contrib-group><aff id="aff1"><institution>Department of Gynaecology and Obstetrics, West China Second Hospital, Sichuan University</institution><addr-line>No 20, Sec 3, Renminnan Road, Sichuan 610041</addr-line><addr-line>Chengdu</addr-line><country>China</country></aff><aff id="aff2"><institution>Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education</institution><addr-line>Chengdu</addr-line><country>China</country></aff><contrib-group><contrib contrib-type="editor"><name name-style="western"><surname>Leung</surname><given-names>Tiffany</given-names></name></contrib></contrib-group><author-notes><corresp>Correspondence to  Jinke Li, PhD, Department of Gynaecology and Obstetrics, West China Second Hospital, Sichuan University, No 20, Sec 3, Renminnan Road, Sichuan 610041, Chengdu, China, 86 28-85502391; <email>jinkeli@scu.edu.cn</email></corresp></author-notes><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>13</day><month>8</month><year>2025</year></pub-date><volume>13</volume><elocation-id>e70895</elocation-id><history><date date-type="received"><day>05</day><month>01</month><year>2025</year></date><date date-type="accepted"><day>24</day><month>07</month><year>2025</year></date></history><copyright-statement>&#x00A9; Chengwei Lian, Yu Fan, Jinke Li. Originally published in JMIR mHealth and uHealth (<ext-link ext-link-type="uri" xlink:href="https://mhealth.jmir.org">https://mhealth.jmir.org</ext-link>), 13.8.2025. </copyright-statement><copyright-year>2025</copyright-year><license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on <ext-link ext-link-type="uri" xlink:href="https://mhealth.jmir.org/">https://mhealth.jmir.org/</ext-link>, as well as this copyright and license information must be included.</p></license><self-uri xlink:type="simple" xlink:href="https://mhealth.jmir.org/2025/1/e70895"/><related-article related-article-type="commentary" id="e74931" ext-link-type="doi" xlink:href="10.2196/74931" xlink:title="Comment in" page="e74931" xlink:type="simple">https://mhealth.jmir.org/2025/1/e74931</related-article><related-article related-article-type="commentary article" ext-link-type="doi" xlink:href="10.2196/56475" xlink:title="Comment on" xlink:type="simple">https://mhealth.jmir.org/2024/1/e56475</related-article><kwd-group><kwd>WeChat</kwd><kwd>nutrition management</kwd><kwd>ovarian cancer</kwd><kwd>chemotherapy</kwd><kwd>mobile health</kwd></kwd-group></article-meta></front><body><p>This letter is regarding the recent publication &#x201C;Efficacy of a WeChat-Based, Multidisciplinary, Full-Course Nutritional Management Program on the Nutritional Status of Patients With Ovarian Cancer Undergoing Chemotherapy: Randomized Controlled Trial&#x201D; [<xref ref-type="bibr" rid="ref1">1</xref>]. The authors reported a novel approach to managing the nutrition status of patients with ovarian cancer who underwent chemotherapy. With supportive results, it might be a potentially beneficial program for this patient cohort. However, there might be a problem in the description of Figure 7.</p><p>The authors described the changes in leukocytes, lymphocytes, neutrophils, and platelets as &#x201C;inflammation-related blood indices.&#x201D; It might be appropriate for most patients with normal immune status but is not applicable for those undergoing chemotherapy with bone marrow suppression (BMS) [<xref ref-type="bibr" rid="ref2">2</xref>]. BMS is one of the most common adverse effects in patients undergoing chemotherapy and can be divided into chemotherapy-induced leukopenia, neutropenia, thrombocytopenia, and anemia [<xref ref-type="bibr" rid="ref3">3</xref>]. The changes in the blood cells above are not only an indication of inflammatory status but also critical to monitor the BMS in patients. It is important to discuss BMS in treatment using chemotherapy separately or combined with others. Additionally, the authors have reported a systematic inflammatory index, which is more accurate, to evaluate the inflammatory status of patients [<xref ref-type="bibr" rid="ref4">4</xref>]. As for Figure 7, we noticed a significant decrease in leukocytes, dropping almost to the diagnostic criteria of leukopenia [<xref ref-type="bibr" rid="ref5">5</xref>] in the control group, which suggests more severe BMS in the control group. So we suggest it might be more accurate to describe Figure 7 simply as &#x201C;the changes in blood cells,&#x201D; and the potential benefit for improving BMS should also be described in this section.</p><p>The findings of this study are meaningful and interesting. The authors provided a potential approach to improve the clinical outcomes of patients with  ovarian cancer undergoing chemotherapy, especially in China. Additionally, we noticed the intervention could improve BMS for these patients, although it should be described and addressed more accurately in the publication.</p></body><back><fn-group><fn fn-type="conflict"><p>None declared.</p></fn></fn-group><glossary><title>Abbreviations</title><def-list><def-item><term id="abb1">BMS</term><def><p>bone marrow suppression</p></def></def-item></def-list></glossary><ref-list><title>References</title><ref id="ref1"><label>1</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Tian</surname><given-names>X</given-names> </name><name name-style="western"><surname>Liu</surname><given-names>Y</given-names> </name><name name-style="western"><surname>Zhang</surname><given-names>J</given-names> </name><etal/></person-group><article-title>Efficacy of a WeChat-based, multidisciplinary, full-course nutritional management program on the nutritional status of patients with ovarian cancer undergoing chemotherapy: randomized controlled trial</article-title><source>JMIR Mhealth Uhealth</source><year>2024</year><month>11</month><day>4</day><volume>12</volume><fpage>e56475</fpage><pub-id pub-id-type="doi">10.2196/56475</pub-id><pub-id pub-id-type="medline">39496160</pub-id></nlm-citation></ref><ref id="ref2"><label>2</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Markman</surname><given-names>M</given-names> </name><name name-style="western"><surname>Kennedy</surname><given-names>A</given-names> </name><name name-style="western"><surname>Webster</surname><given-names>K</given-names> </name><name name-style="western"><surname>Peterson</surname><given-names>G</given-names> </name><name name-style="western"><surname>Kulp</surname><given-names>B</given-names> </name><name name-style="western"><surname>Belinson</surname><given-names>J</given-names> </name></person-group><article-title>Combination chemotherapy with carboplatin and docetaxel in the treatment of cancers of the ovary and fallopian tube and primary carcinoma of the peritoneum</article-title><source>J Clin Oncol</source><year>2001</year><month>04</month><day>1</day><volume>19</volume><issue>7</issue><fpage>1901</fpage><lpage>1905</lpage><pub-id pub-id-type="doi">10.1200/JCO.2001.19.7.1901</pub-id><pub-id pub-id-type="medline">11283121</pub-id></nlm-citation></ref><ref id="ref3"><label>3</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Ten Berg</surname><given-names>MJ</given-names> </name><name name-style="western"><surname>van den Bemt</surname><given-names>P</given-names> </name><name name-style="western"><surname>Shantakumar</surname><given-names>S</given-names> </name><etal/></person-group><article-title>Thrombocytopenia in adult cancer patients receiving cytotoxic chemotherapy: results from a retrospective hospital-based cohort study</article-title><source>Drug Saf</source><year>2011</year><month>12</month><day>1</day><volume>34</volume><issue>12</issue><fpage>1151</fpage><lpage>1160</lpage><pub-id pub-id-type="doi">10.2165/11594310-000000000-00000</pub-id><pub-id pub-id-type="medline">22077503</pub-id></nlm-citation></ref><ref id="ref4"><label>4</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Hu</surname><given-names>B</given-names> </name><name name-style="western"><surname>Yang</surname><given-names>XR</given-names> </name><name name-style="western"><surname>Xu</surname><given-names>Y</given-names> </name><etal/></person-group><article-title>Systemic immune-inflammation index predicts prognosis of patients after curative resection for hepatocellular carcinoma</article-title><source>Clin Cancer Res</source><year>2014</year><month>12</month><day>1</day><volume>20</volume><issue>23</issue><fpage>6212</fpage><lpage>6222</lpage><pub-id pub-id-type="doi">10.1158/1078-0432.CCR-14-0442</pub-id><pub-id pub-id-type="medline">25271081</pub-id></nlm-citation></ref><ref id="ref5"><label>5</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Weycker</surname><given-names>D</given-names> </name><name name-style="western"><surname>Li</surname><given-names>X</given-names> </name><name name-style="western"><surname>Edelsberg</surname><given-names>J</given-names> </name><etal/></person-group><article-title>Risk and consequences of chemotherapy-induced febrile neutropenia in patients with metastatic solid tumors</article-title><source>J Oncol Pract</source><year>2015</year><month>01</month><volume>11</volume><issue>1</issue><fpage>47</fpage><lpage>54</lpage><pub-id pub-id-type="doi">10.1200/JOP.2014.001492</pub-id><pub-id pub-id-type="medline">25491042</pub-id></nlm-citation></ref></ref-list></back></article>