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Table 3 Characteristics of cases treated with reversed L-shaped osteotomy (ReveL) for hallux valgus deformity using one or two screws and their association with secondary outcome variables (n = 799)

From: The influence of the number of screws and additional surgical procedures on outcome in hallux valgus treatment

   One screw  
Variable Category No Yes p value*
Limited patient satisfaction    
  No, N (%) 402 (83.4) 273 (86.2)  
  Yes, N (%) 80 (16.6) 44 (13.8)  
  ORadjusted (95% CI) 1.00 (reference) 0.64 (0.37–1.08) 0.096
Complication§    
  No, N (%) 457 (94.8) 305 (96.2)  
  Yes, N (%) 25 (5.2) 12 (3.8)  
  ORadjusted (95% CI) 1.00 (reference) 0.50 (0.20–1.24) 0.133
Revision surgery    
  No, N (%) 467 (96.9) 312 (98.4)  
  Yes, N (%) 15 (3.1) 5 (1.6)  
  ORadjusted (95% CI) 1.00 (reference) 0.39 (0.07–2.16) 0.279
Elective hardware removal    
  No, N (%) 355 (73.7) 229 (72.2)  
  Yes, N (%) 127 (26.3) 88 (27.8)  
  ORadjusted (95% CI) 1.00 (reference) 0.86 (0.56–1.33) 0.503
  1. Abbreviations: N number, % percent, OR odds ratio, CI confidence interval
  2. *Wald test
  3. Limited patient satisfaction was defined as dissatisfied or improved, while patient satisfaction was defined as satisfied or very satisfied
  4. Adjusted for potential confounders and effect modifiers: age, sex, body mass index, additional surgical technique for hallux valgus, preoperative hallux valgus angle, and time period
  5. §Defined as infection, osseous necrosis, non-union, complex regional pain syndrome, and revision
  6. Adjusted for potential confounders and effect modifiers: age, sex, body mass index, additional surgical technique for hallux valgus, concomitant diseases, bilateral surgery, preoperative hallux valgus angle, preoperative distal metatarsal angle, and time period (n = 753 due to collinearity)