Table 2 Demographic and clinical characteristics. Values are mean (SD), median (IQR [range]) or number (proportion).
Parameter | Training cohort n = 160 | Validation cohort n = 40 | Overall n = 200 |
|---|---|---|---|
Age, y | 47.4 (11.8) | 45.1 (12.8) | 46.9 (12.0) |
Gender | |||
Female | 108 (67.5%) | 32 (80.0%) | 140 (70.0%) |
Male | 52 (32.5%) | 8 (20.0%) | 60 (30.0%) |
Race | |||
Chinese | 96 (60.0%) | 26 (65.0%) | 122 (61.0%) |
Malay | 28 (17.5%) | 6 (15.0%) | 34 (17.0%) |
Indian | 20 (12.5%) | 3 (7.5%) | 23 (11.5%) |
Others | 16 (10.0%)a | 5 (12.5%)b | 21 (10.5%) |
Weight, kg | 68.9 (17.0) | 70.8 (15.6) | 69.3 (16.7) |
BMI, kg.m−2 | 26.1 (5.4) | 27.0 (5.1) | 26.3 (5.3) |
ASA status | |||
I | 42 (26.3%) | 11 (27.5%) | 53 (26.5%) |
II | 106 (66.3%) | 26 (65.0%) | 132 (66.0%) |
III | 12 (7.4%) | 3 (7.5%) | 15 (7.5%) |
Purpose of visit | |||
Pain consultation | 72 (45.0%) | 19 (47.5%) | 91 (45.5%) |
Gynecological surgery | 80 20 (50.0%) | 20 (50.0%) | 100 (50.0%) |
Procedure | 7 (4.4%) | 1 (2.5%) | 8 (4.0%) |
Pre-procedure | 1 (0.6%) | 0 | 1 (0.5%) |
Pre-surgical/procedural pain score (at rest) | 0 (3 [0–9]) | 0 (3 [0–7.5]) | 0 (3 [0–9]) |
Pre-surgical/procedural EQ-5D-3L health VAS score | 72.9 (16.8) | 73.0 (18.5) | 72.9 (17.1) |
Post-surgical/procedural pain score (at rest) | 2 (3 [0–10]) | 2 (3 [0–7]) | 2 (3 [0–10]) |
