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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

From: A prospective study of prognostic factors for duration of sick leave after endoscopic carpal tunnel release

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
  1. * P < 0.05
  2. ** medians with 10% and 90% percentiles
  3. ***dichotomized based on clinical experience.