Table 3 Influencing factors of acute post-operative pain.
Influencing factors | 12 h post-operatively | 24 h post-operatively | ||||
|---|---|---|---|---|---|---|
Moderate-to-severe pain (n = 58) | Non-moderate-to-severe pain (n = 126) | p value | Moderate-to-severe pain (n = 43) | Non-moderate-to-severe pain (n = 141) | p value | |
Age ≥ 65 years | < 0.001 | 0.089 | ||||
Yes | 13 | 65 | 14 | 64 | ||
No | 45 | 61 | 29 | 77 | ||
Body mass index (kg/m2)—Mean ± SD | 22.3 ± 4.0 | 22.6 ± 3.9 | 0.273 | 23.0 ± 5.7 | 22.6 ± 4.8 | 0.210 |
Pre-operative moderate-to-severe pain at surgical site—n (%)a | < 0.001 | < 0.001 | ||||
Yes | 40 (69.0) | 37 (29.4) | 27 (62.8) | 50 (35.5) | ||
No | 18 (31.0) | 89 (70.6) | 16 (37.2) | 91 (64.5) | ||
Chronic pain at surgical siteb—n (%) | 0.140 | 0.663 | ||||
Yes | 41 (70.7) | 88 (69.4) | 29 (67.4) | 100 (70.9) | ||
No | 17 (29.3) | 38 (30.6) | 14 (22.6) | 41 (29.1) | ||
Current smoker—n (%) | < 0.001 | < 0.001 | ||||
Yes | 43 (74.1) | 38 (30.2) | 29 (67.4) | 52 (36.9) | ||
No | 15 (25.9) | 88 (69.8) | 14 (32.6) | 89 (63.1) | ||
ASA grading ≥ 3 | 0.107 | 0.905 | ||||
Yes | 27 (46.6) | 43 (34.1) | 19 (44.2) | 57 (40.4) | ||
No | 31 (53.4) | 83 (65.9) | 24 (55.8) | 84 (59.6) | ||
Pre-operative anxiety—Anxiety subscore of HADS ≥ 8 | < 0.001 | < 0.001 | ||||
Yes | 45 (77.6) | 24 (19.0) | 37 (86.0) | 40 (28.4) | ||
No | 13 (22.4) | 102 (81.0) | 6 (14.0) | 101 (71.6) | ||
Pre-operative depression—Anxiety subscore of depression ≥ 8 | < 0.001 | < 0.001 | ||||
Yes | 44 (75.9) | 26 (20.6) | 30 (69.8) | 28 (19.6) | ||
No | 14 (24.1) | 100 (79.4) | 13 (30.2) | 113 (80.4) | ||
Higher education level (year ≥ 9 years) | 0.002 | 0.031 | ||||
Yes | 20 (34.5) | 76 (60.3) | 16 (37.2) | 79 (56.0) | ||
No | 38 (65.5) | 50 (39.7) | 27 (62.8) | 62 (44.0) | ||
Bilateral surgery | < 0.001 | < 0.001 | ||||
Yes | 40 (69.0) | 25 (19.8) | 29 (67.4) | 36 (25.5) | ||
No | 18 (31.0) | 101 (80.2) | 14 (32.6) | 105 (74.5) | ||
Transabdominal preperitoneal hernioplasty (TAPP) | 0.002 | 0.165 | ||||
Yes | 34 (58.6) | 97 (77.0) | 27 (62.8) | 104 (73.8) | ||
No | 28 (41.4) | 29 (23.0) | 16 (37.2) | 37 (26.2) | ||
Duration of surgery (min)—Mean ± SD | 90.4 ± 18.4 | 89.4 ± 20.1 | 0.321 | 91.8 ± 18.6 | 89.10 ± 16.9 | 0.229 |