Table 1.
Demographic and clinical characteristics among the groups
| Variables | Group I (n=30) | Group II (n=30) | Group III (n=30) | p |
|---|---|---|---|---|
| Age (years) | 47.6±12.8 | 49.2±11.9 | 48.4±11.1 | 0.874 |
| Sex | 0.510 | |||
| Male | 11 (36.7%) | 7 (23.3%) | 10 (33.3%) | |
| Female | 19 (63.3%) | 23 (76.7%) | 20 (66.7%) | |
| ASA | 0.217 | |||
| I | 14 (46.7%) | 12 (40.0%) | 9 (30.0%) | |
| II | 16 (53.3%) | 18 (60.0%) | 19 (63.3%) | |
| III | - | - | 2 (6.7%) | |
| Operation duration (min) | 45 (35–55) | 45 (35–50) | 45 (30–50) | 0.557 |
| Nausea/vomiting | 7 (23.3%) | 12 (40.0%) | 16 (53.3%) | 0.058 |
| Shoulder pain | 8 (26.7%)a | 6 (20.0%)b | 17 (56.7%)a,b | <0.05† |
| Total morphine dose (mg) | 15 (9–18)a,c | 22 (17–33)b,c | 32.5 (23–47)a,b | <0.001‡ |
| Additional analgesic requirement (mg) | 24±20.9 | 35±23.3 | 46.6±12.6 | <0.05† |
†
Pearson’s chi-square test;
‡
Kruskal–Wallis test; the difference is statistically significant between agroups I and III (p<0.05); the difference is statistically significant between bgroups II and III (p<0.05); the difference is statistically significant between cgroups I and II (p<0.05).