Table 1 Comparisons between two age groups for baseline characteristics and surgical outcomes
Age group | p value | |||
|---|---|---|---|---|
Group 1 (< 65) (n = 1075) | Group 2 (≥ 65) (n = 163) | |||
Baseline characteristics Median age (range) | 46.43(16, 64) | 70.36(65, 86) | < 0.01* | |
Sex | Female | 537 (50.0%) | 83 (50.9%) | 0.867a |
Male | 538 (50.0%) | 80 (49.1%) | ||
Hemorrhoids grade | III | 743 (69.1%) | 112 (68.7%) | 0.928a |
IV | 332 (30.9%) | 51 (31.3%) | ||
ASA grade | I | 409 (38.0%) | 22 (13.5%) | < 0.001*a |
II | 655 (60.9%) | 135 (82.8%) | ||
III | 11 (1.0%) | 6 (3.7%) | ||
Preoperative hemoglobin (g/dl) | 13.7 (12.5, 14.8) | 13.4 (12.2, 14.5) | 0.030* b | |
Surgical outcomes | ||||
Operation time (min) | 18.0 (13.0, 25.0) | 18.0 (13.0, 25.0) | 0.498 b | |
Postoperative pain score | 3.0 (2.0, 5.0) | 3.0 (2.0, 5.0) | 0.139 b | |
FKMIP | 0 | 664 (61.7%) | 109 (66.9%) | 0.139 b |
1 | 298 (27.7%) | 43 (26.4%) | ||
2 | 78 (7.3%) | 10 (6.1%) | ||
3 | 27 (2.5%) | 1 (0.6%) | ||
4 | 6 (0.6%) | 0 | ||
5 | 2 (0.2%) | 0 | ||
Hospital stay (day) | 2.0 (2.0, 2.0) | 2.0 (2.0, 2.0) | 0.608b | |
Follow-up times | 3 | 897 (83.4%) | 135 (82.8%) | 0.835b |
4 | 147 (13.7%) | 23 (14.1%) | ||
5 | 29 (2.7%) | 4 (2.5%) | ||
6 | 2 (0.2%) | 0 | ||
8 | 0 | 1 (0.6%) | ||
Complications | 87 (8.1%) | 15 (9.2%) | 0.646 a | |
Anal stenosis | 2 (0.2%) | 1 (0.6%) | 0.033* a | |
Delayed bleeding | 65 (6.0%) | 6 (3.7%) | ||
Fecal impaction | 3 (0.3%) | 1 (0.6%) | ||
Urine retention | 15 (1.4%) | 7 (4.3%) | ||
Wound infection | 2 (0.2%) | 0 (0.0%) | ||
Re-admission | 30 (2.8%) | 4 (2.5%) | > 0.999 a | |
Re-operation | 5 (0.5%) | 1 (0.6%) | 0.572 a | |