Table 2 Numerical rating scale for pain score at rest at 6 hourly intervals
Postoperative time interval | PSAR (n) | P value | ||
|---|---|---|---|---|
Total (N = 97) | Low dose (N = 41) | High dose (N = 56) | ||
0–6 h | 4.1 ± 1.7 (94) | 4.4 ± 1.6 (39) | 3.9 ± 1.7 (55) | 0.173 |
6–12 h | 4.3 ± 1.6 (92) | 4.3 ± 1.3 (38) | 4.3 ± 1.8 (54) | 0.919 |
12–18 h | 4.4 ± 1.7 (89) | 4.4 ± 1.5 (35) | 4.4 ± 1.8 (54) | 0.951 |
18–24 h | 4.2 ± 1.5 (92) | 4.2 ± 1.2 (37) | 4.2 ± 1.6 (55) | 0.999 |
24–30 h | 4.0 ± 1.4 (84) | 4.1 ± 1.2 (32) | 4.0 ± 1.6 (46) | 0.953 |
30–36 h | 3.9 ± 1.4 (78) | 3.6 ± 0.9 (32) | 4.1 ± 1.7 (46) | 0.140 |
36–42 h | 3.8 ± 1.6 (75) | 3.8 ± 1.5 (31) | 3.8 ± 1.7 (44) | 0.900 |
42–48 h | 3.7 ± 1.3 (55) | 3.5 ± 1.2 (25) | 3.9 ± 1.5 (30) | 0.280 |
Mean over 24 h | 4.3 ± 1.4 (96) | 4.3 ± 1.1 (40) | 4.2 ± 1.6 (56) | 0.679 |
Mean over 48 h | 4.1 ± 1.2 (96) | 4.1 ± 1.0 (40) | 4.1 ± 1.4 (56) | 0.959 |