Table 1 Patient characteristics by hospital
Characteristic | Patients at JMC hospital n = 115 | Patients at AaBET hospital n = 103 | P value |
|---|---|---|---|
| Â | mean (SD) | mean (SD) | Â |
Age (years) | 33.3 (11.6) | 33.5 (11.7) | 0.89 |
| Â | n (%) | n (%) | Â |
Sex (Male) | 92 (80) | 84 (81.6) | 0.77 |
Education status | |||
Primary | 43 (46.2) | 45 (49.5) | 0.90 |
Secondary | 34 (36.6) | 31 (34.1) | |
Diploma and higher | 16 (17.2) | 15 (16.5) | |
Residence | |||
Urban | 63 (54.8) | 49 (47.6) | 0.29 |
Rural | 52 (45.2) | 54 (52.4) | |
Cause of injury | |||
Traffic accident | 56 (48.7) | 58 (56.9) | 0.22 |
Machine/tool injury or conflict | 33 (28.7) | 19 (18.6) | |
Fall | 26 (22.6) | 25 (24.5) | |
Location of injury | |||
Upper extremities | 52 (45.2) | 34 (33.0) | 0.18 |
Lower extremities | 58 (50.4) | 64 (62.1) | |
Both upper and lower extremities | 5 (4.3) | 5 (4.9) | |
Lifestyle variables | |||
Alcohol (yes) | 63 (54.8) | 39 (37.9) | 0.012 |
Khat (yes) | 60 (52.2) | 34 (33.0) | 0.004 |
Smoking (yes) | 16 (13.9) | 9 (8.7) | 0.23 |
Anesthesia type | |||
General | 41 (35.7) | 38 (38.0) | 0.47 |
Spinal | 48 (41.7) | 46 (46.0) | |
Nerve block | 26 (22.6) | 16 (16.0) | |
Clinical variables | |||
Previous surgery (Yes) | 16 (13.9) | 8 (7.8) | 0.15 |
Consistently high postoperative pain (Yes) | 26 (22.6) | 87 (84.5) |  < 0.001 |
| Â | mean (SD) | mean (SD) | |
Preoperative worst pain intensity (range 0–10) | 4.2 (2.5) | 7.1 (2.5) |  < 0.001 |
Duration of surgery (minutes) | 99.2 (46.6) | 147.6 (58.8) |  < 0.001 |
Psychological variables | |||
Anxiety (range 0–21) | 7.5 (4.1) | 9.6 (4.3) |  < 0.001 |
Depression (range 0–21) | 13.1 (3.2) | 10.8 (3.5) |  < 0.001 |
Pain catastrophizing (range 0–52) | 25.8 (9.1) | 25.8 (7.9) | 0.99 |