| Type of analgesic at post-operative points | Dosage |
| Ethnicity | p value | ||
| Total n (%) | Malay (n = 56) n (%) | Chinese (n = 15) n (%) | Indian (n = 9) n (%) | |||
| 4 hours |
|
|
|
|
|
|
| Paracetamol | ≤1000 mg | 1 (1) | 0 (0) | 0 (0) | 1 (11) | - |
|
| >1000 mg | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
|
| NSAID | ≤200 mg | 1 (11) | 0 (0) | 0 (0) | 1 (11) | - |
|
| >200 mg | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
|
| Morphine equivalent | ≤10 mg >10 mg | 12 (15) 3 (4) | 7 (13) 3 (5) | 4 (27) 0 (0) | 1 (11) 0 (0) | Cramer’s V = 0.35, p 0.392 |
| 24 hours |
|
|
|
|
|
|
| Paracetamol | ≤2000 mg | 14 (18) | 6 (11) | 5 (33) | 3 (33) | Cramer’s V = 0.270, p 0.418 |
|
| >2000 mg | 10 (13) | 7 (13) | 2 (13) | 1 (11) | |
| NSAID | ≤200 mg | 22 (28) | 15 (27) | 4 (27) | 3 (33) | Cramer’s V = 0.199, p 0.490 |
|
| >200 mg | 14 (18) | 12 (21) | 1 (7) | 1 (11) | |
| Morphine equivalent | ≤20 mg >20 mg | 45 (56) 22 (28) | 31 (55) 15 (27) | 8 (53) 6 (40) | 6 (67) 1 (11) | Cramer’s V = 0.161, p 0.421 |
| 48 hours |
|
|
|
|
|
|
| Paracetamol | ≤5500 mg | 15 (19) | 8 (14) | 4 (27) | 3 (33) | Cramer’s V = 0.093, p 0.879 |
|
| >5500 mg | 15 (19) | 9 (16) | 4 (27) | 2 (22) | |
| NSAIDs | ≤600 mg | 35 (44) | 25 (45) | 7 (47) | 3 (33) | Cramer’s V = 0.163, p 0.520 |
|
| >600 mg | 14 (18) | 12 (80) | 1 (7) | 1 (11) | |
| Morphine equivalent | ≤20 mg >20 mg | 36 (45) 32 (40) | 25 (45) 22 (39) | 7 (47) 7 (47) | 4 (36) 3 (27) | Cramer’s V = 0.038, p 0.952 |