Table 2 Demographic analysis of patient groups
Parameter | Group 1 AJCC stages I–III | Group 2 AJCC stage IV | p value |
|---|---|---|---|
Number of patients, n | 168(89.4 %) | 20 (10.6 %) | – |
Females, n (%) | 81 (48.2 %) | 7 (35 %) | 0.26290 |
Males, n (%) | 87 (51.8 %) | 13 (65 %) | |
Mean age, years ± SD | 66.3 ± 12.8 | 65.9 ± 10.5 | 0.82724 |
BMI, kg/m2 ± SD | 26.3 ± 5.1 | 25.5 ± 5.6 | 0.32776 |
ASA 1, n (%) | 6 (3.6 %) | – | 0.89411 |
ASA 2, n (%) | 98 (58.3 %) | 13 (65 %) | |
ASA 3, n (%) | 60 (35.7 %) | 7 (35 %) | |
ASA 4, n (%) | 4 (2.4 %) | – | |
Colon, n (%) | 119 (70.8 %) | 13 (65 %) | 0.58972 |
Rectum, n (%) | 49 (29.2 %) | 7 (35 %) | |
AJCC stage I, n (%) | 65 (38.7 %) | – | – |
AJCC stage II, n (%) | 60 (35.7 %) | – | |
AJCC stage III, n (%) | 43 (25.6 %) | – | |
AJCC stage IV, potentially resectable, n (%) | – | 5 (25 %) | |
AJCC stage IV, palliative resection, n (%) | – | 15 (75 %) | |
Right hemicolectomy, n (%) | 62 (36.9 %) | 5 (25 %) | – |
Left hemicolectomy, n (%) | 12 (7.1 %) | – | |
Sigmoid resection, n (%) | 45 (26.8 %) | 6 (30 %) | |
Total mesorectal excision, n (%) | 48 (28.6 %) | 4 (20 %) | |
Hartmann’s operation, n (%) | – | 4 (20 %) | |
Abdominoperineal excision, n (%) | 1 (0.6 %) | 1 (5 %) |