Table 1 Baseline demographic and clinical characteristics between patients in the AC and No AC group
|  | AC Group (N = 102) | No AC Group (N = 149) | p |
|---|---|---|---|
Age, years, mean (SD) | 64.50 (10.60) | 70.21 (11.75) |  < 0.05* |
Categorical age, N (%) | |||
 Below 65 years | 42 (41.18) | 41 (27.52) |  |
 65 years and above | 60 (58.82) | 108 (72.48) |  < 0.05* |
Race, N (%) | |||
 Chinese | 86 (84.31) | 126 (85.71) |  |
 Malay | 11 (10.78) | 13 (8.84) |  |
 Indian | 4 (3.92) | 6 (4.08) |  |
 Others | 1 (0.98) | 2 (1.36) | 0.96 |
Sex, N (%) | |||
 Female | 41 (40.59) | 61 (42.07) |  |
 Male | 60 (59.41) | 84 (57.93) | 0.82 |
Tumour site, N (%) | |||
 Colon | 69 (67.65) | 100 (67.11) |  |
 Rectal | 33 (32.35) | 49 (32.89) | 0.93 |
Type of surgery, N (%) | |||
 Laparoscopic | 76 (80.85) | 70 (70.71) |  |
 Open | 11 (11.70) | 24 (24.24) |  |
 Laparoscopic converted to open | 7 (7.45) | 5 (5.05) | 0.07 |
Stoma created N (%) | |||
 No | 63 (61.76) | 79 (60.31) |  |
 Yes | 39 (38.24) | 52 (39.69) | 0.82 |
Stage, N (%) | |||
 I | 3 (2.94) | 34 (25.56) |  |
 II | 32 (31.37) | 47 (35.34) |  |
 III | 54 (52.94) | 25 (18.80) |  |
 IV | 12 (11.76) | 20 (15.04) |  |
 Unknown | 1 (0.98) | 7 (5.26) |  < 0.05* |
ASA classification, N (%) | |||
 I | 3 (3.09) | 2 (1.94) |  |
 II | 77 (79.38) | 75 (72.82) |  |
 III | 17 (17.53) | 24 (23.30) |  |
 IV | 0 (0.00) | 2 (1.94) | 0.41 |
 Intraoperative estimated blood loss, ml, mean (SD) | 176.47 (257.28) | 112.86 (101.74) | 0.14 |
 CCI, mean (SD) | 8.22 (12.86) | 9.05 (14.36) | 0.67 |
 Postoperative length of stay, days, mean (SD) | 8.11 (5.32) | 10.37 (15.69) | 0.18 |
Readmission within 30Â days post-surgery | |||
 No | 91 (90.10) | 114 (93.44) |  |
 Yes | 10 (9.90) | 8 (6.56) | 0.36 |