Table I.
Clinical characteristics of the training set of COAD and the testing set of READ.
| Characteristics | COAD (n=233) | READ (n=94) | P-value |
|---|---|---|---|
| Age (years) | 68.15±12.38 | 65.58±10.29 | 0.0282a |
| Gender (male/female) | 126/107 | 54/40 | 0.6241 |
| pathologic_stage (I+II/III+IV) | 122/102 | 47/42 | 0.8027 |
| pathologic_M (M0/M1) | 165/39 | 19/16 | 0.0017a |
| pathologic_N (N0/N1/N2) | 133/53/47 | 49/21/22 | 0.5379 |
| pathologic_T (T0/T1/T2/T3/T4) | 0/7/31/164/31 | 0/6/14/64/9 | 0.2664 |
| lymphatic_invasion (yes/no) | 94/116 | 33/52 | 0.3665 |
| venous_invasion (yes/no) | 61/136 | 22/61 | 0.4778 |
| residual_tumor (R0/R1/R2) | 155/3/10 | 62/2/8 | 0.1543 |
| primary_therapy_outcome_success (SD/PD/CR/PR) | 0/6/9/2 | 0/2/7/0 | 0.6673 |
COAD, colon adenocarcinoma; CR, complete remission/response; PD, progressive disease; PR, partial remission/response; READ, rectal adenocarcinoma; SD, stable disease.
a
P<0.05.