Table 4 Univariate logistic regression of prognostic factors for postoperative sick leave of more than 21 days after ECTR in 75 hands in 75 patients
Prognostic factors | OR 21 days | 95% CI | ||
Known risk factors | ||||
High demands on hand function at work | > 7 (scale 0-10) | 28 (37%) | 1.28 | 0.96 - 1.71 |
Gender: Male:Female | Female | 53 (71%) | 0.62 | 0.18 - 2.15 |
Workers compensation case: yes/no | Yes | 5 (7%) | 1.47 | 0.15 - 14.0 |
Preoperative sick leave: yes/no | Yes | 21 (28%) | 9.43* | 2.84 - 31.3 |
Physical factors | ||||
Age | Years | Mean 46 (SD 10.1) | 1.00 | 0.95 - 1.06 |
Duration of hand problems | Months | 10 (6;12)** | 1.30 | 0.95 - 1.77 |
Preoperative sick leave | Weeks | 4 (0;15)** | 1.04 | 0.99 - 1.10 |
Complicating diseases yes/no | Yes | 8 (11%) | 1.69 | 0.36 - 7.88 |
Self-reported health status | <3 (scale 0-10) | 2 (0;5) | 1.07 | 0.84 - 1.38 |
Preoperative functions (Boston questionnaire) | Score>2*** | 2,3 (SD 0,8) | 1.80 | 0.81 - 4.02 |
Preoperative symptoms (Boston questionnaire) | Score>2*** | 2,9 (SD 0,7) | 3.51* | 1.32 - 9.37 |
ENG: Preoperative distal motor latency | Ms | 5.2 (SD 1,3) | 1.37* | 1.01- 1.87 |
ENG: Preoperative sensory response finger 2 | Ms | 40.0 (SD 7.2) | 0.96 | 0.89 - 1.03 |
ENG: Preoperative amplitude finger 2 | μV | 10.4 (SD 7.2) | 0.99 | 0.91 - 1.07 |
ENG: Preoperative sensory response finger 3 | Ms | 39.0 (SD 6.4) | 0.95 | 0.87 - 1.04 |
ENG: Preoperative amplitude finger 3 | μV | 9.0 (SD 7.0) | 0.98 | 0.90 - 1.07 |
ENG: Preoperative conduction from palm to wrist | Ms | 35.5 (SD 7.0) | 0.94 | 0.86 - 1.03 |
Psychological factors | ||||
Afraid of having chronic hand problems | >7 (scale 0-10) | 5 (0;10)** | 1.08 | 0.94 - 1.24 |
Blaming oneself for the hand problem | >7 (scale 0-10) | 2 (0;6)** | 1.25* | 1.03 - 1.52 |
Feeling of being alone with hand problems | >7 (scale 0-10) | 2 (0;8)** | 1.04 | 0.87 - 1.23 |
Belief in cure of hand problems 3 months after the operation | >7 (scale 0-10) | 1 (0;5)** | 1.22 | 0.94 - 1.57 |
Social factors | ||||
Consideration of job change because of hand problems yes/no | Yes | 15 (20%) | 4.68* | 1.39 - 15.7 |
Support from family and friends | <3 (scale 0-10) | 2 (0;7)** | 0.93 | 0.75 - 1.15 |
Job satisfaction | <3 (scale 0-10) | 2 (0;6) | 1.09 | 0.88 - 1.37 |