Fig. 1 | Scientific Reports

Fig. 1

From: Development and validation of predictive model for emesis in cervical cancer patients receiving concurrent chemoradiotherapy based on multi-institutional retrospective study

Fig. 1

Flowchart of patient selection and dataset construction. Among the initially identified patients who received concurrent chemoradiotherapy (CCRT), those meeting predefined exclusion criteria, such as preexisting nausea, unrelated medical conditions, or participation in other clinical trials, were excluded. Subsequently, the dataset was divided into two groups based on the start date of CCRT: model development (patients who initiated CCRT on or before December 31, 2019) and temporal validation (patients who received CCRT on or after January 1, 2020). Patients with missing predictive variables were excluded from the final analyses. Patients with missing data for any predictor variables were excluded.

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