Table 4. Demographic data for the study population of validation cohort 2 (TMA).
| Variable | TMA | Stage analysis | Localisation analysis | Survival analysis |
|---|---|---|---|---|
| Total cases |
148 |
142 |
111 |
126 |
| Sex (male %) |
45.27 |
45.77 |
44.14 |
45.24 |
| Age – mean years (s.d.) |
66.11 (11.68) |
66.25 (11.43) |
66.67 (10.81) |
65.63 (11.48) |
|
Tumour stagea (%) | ||||
| T1 | 4.73 | 4.93 | 5.41 | 4.8 |
| T2 | 18.92 | 19.01 | 18.92 | 18.4 |
| T3 | 65.54 | 66.2 | 66.67 | 67.2 |
| T4 |
10.14 |
9.9 |
9 |
9.6 |
|
Lymph-node metastasisa (%) | ||||
| N0 | 46.62 | 47.18 | 45.95 | 43.2 |
| N1/2 |
52.7 |
52.825 |
54.05 |
56.8 |
|
Localisation | ||||
| Right colon | 25 | 25 | 25 | 20 |
| Colon transversum | 6 | 6 | 6 | 6 |
| Left colon/Sigma | 29 | 27 | 27 | 26 |
| Rectum | 55 | 53 | 53 | 52 |
Abbreviation: TMA = tissue microarray.
a
Data for tumour stage and lymph node metastasis are missing for one patient in the total TMA set; sex information missing for two patients.