Table 2 Comparison of clinical features of the training and test sets in the TCGA-COAD cohort
From: Putative function and prognostic molecular marker of mast cells in colorectal cancer
Characteristics | Training Set(N = 307) | Test Set(N = 131) | Total(N = 438) | P value |
|---|---|---|---|---|
Age | Â | Â | Â | 0.86 |
 Mean ± SD | 66.49 ± 12.92 | 66.87 ± 13.25 | 66.60 ± 13.00 |  |
 Median[min–max] | 69.00[34.00,90.00] | 68.00[31.00,90.00] | 68.00[31.00,90.00] |  |
Gender | Â | Â | Â | 0.35 |
 FEMALE | 138(31.51%) | 66(15.07%) | 204(46.58%) |  |
 MALE | 169(38.58%) | 65(14.84%) | 234(53.42%) |  |
AJCC_stage | Â | Â | Â | 0.79 |
 I | 49(11.19%) | 24(5.48%) | 73(16.67%) |  |
 II | 114(26.03%) | 53(12.10%) | 167(38.13%) |  |
 III | 91(20.78%) | 35(7.99%) | 126(28.77%) |  |
 IV | 44(10.05%) | 17(3.88%) | 61(13.93%) |  |
 NA | 9(2.05%) | 2(0.46%) | 11(2.51%) |  |
Status | Â | Â | Â | 0.09 |
 Alive | 231(52.74%) | 109(24.89%) | 340(77.63%) |  |
 Death | 76(17.35%) | 22(5.02%) | 98(22.37%) |  |
OS.time | Â | Â | Â | 0.22 |
 Mean ± SD | 841.33 ± 708.71 | 992.89 ± 916.77 | 886.66 ± 778.81 |  |
 Median[min–max] | 669.00[6.00,4126.00] | 735.00[28.00,4502.00] | 683.50[6.00,4502.00] | |