Skip to main content

Table 3 Risks of COVID-19 diagnosis

From: Survival analysis and influence of the surgical aggression of a cohort of orthopedic and trauma patients in a non-controlled spread COVID-19 scenario

  Cases N Risk Wilson (95% Conf. Interval) RR (95% CI)
a) Risk of COVID diagnosis by Group of Surgery
Small Joints (soft tiss./arthros.) 8 44 18.18% 9.51% 31.96% 1 NA NA
Small Joints (bone or arthrop.) 7 54 12.96% 6.42% 24.42% 0.71 0.28 1.81
Big Joints (soft tiss./arthros.) 0 21 0.00% 0.00% 15.46% 0.12a 0.01 1.99
Big Joints (bone or arthrop.) 11 65 16.92% 9.72% 27.82% 0.93 0.41 2.13
Total 26 184 14.13% 9.83% 19.90%    
b) Risk of COVID diagnosis (only probable and confirmed cases) by Group of Surgery
Small Joints (soft tiss./arthros.) 1 44 2.27% 0.40% 11.81% 1 NA NA
Small Joints (bone or arthrop.) 2 54 3.70% 1.02% 12.54% 1.63 0.15 17.38
Big Joints (soft tiss./arthros.) 0 21 0.00% 0.00% 15.46% 0.68a 0.03 16.07
Big Joints (bone or arthrop.) 9 65 13.85% 7.46% 24.27% 6.09 0.80 46.40
Total 12 184 6.52% 3.77% 11.05%    
  1. aIn case of zero event, the RR was computed with a constant continuity correction (k = 0.5)
  2. RRs Rrelative risks