Table 1: (a) shows characteristics of the patient population. (b) shows treatment characteristics.
(a)

GroupMedian age at first chemotherapy treatment

Training set46.79
Testing set44.8
Validation set56.19
Entire population 46.34

GroupBMI at first chemotherapy treatment

Training set24.29
Testing set25.7
Validation set25.86
Entire population 25.71

(b)

Training setTesting setValidation setEntire patient population

Radiation
 Concurrent9 (64.3%)0 (0%)0 (0%)9 (25.7%)
Chemotherapy
 CEF0 (0%)12 (85.7%)2 (28.6%)14 (40%)
 CAF0 (0%)1 (7.1%)5 (71.4%)6 (17.1%)
 CMF14 (100%)1 (7.1%)0 (0%)15 (42.9%)
Risk
 High7 (50%)7 (50%)4 (57.1%)18 (51.4%)
 low7 (50%)7 (50%)3 (42.9%)17 (48.6%)

*Note that percentages may not add to 100% due to rounding.