Table 3

Multivariable analysis of SSRF performance among 14 837 patients with rib fractures at trauma center locations vs. 24 896 patients at non-trauma centers

VariableTrauma centerNon-trauma center
OR (95% CI)P valueOR (95% CI)P value
Provider category (relative to general surgery)
Orthopedic surgery0.57 (0.73–4.59)0.6055.92 (4.62–7.59)<0.001
Thoracic surgery2.46 (0.77–7.82)0.12520.98 (16.15–27.05)<0.001
Age0.98 (0.98–0.99)<0.0010.98 (0.98–0.99)<0.001
Male gender1.41 (1.18–1.69)<0.0011.43 (1.24–1.63)<0.001
Race (relative to non-white designation)1.15 (0.93–1.43)0.1761.13 (0.96–1.33)0.116
Fracture type (relative to single rib)
Flail chest830.89 (443.55–1556.49)<0.001407.65 (302.66–549.06)<0.001
Multi-rib fractures, non-flail59.23 (33.12–105.94)<0.00119.36 (15.80–23.73)<0.001
Number of Elixhauser comorbidities1.00 (0.95–1.05)0.7800.99 (0.96–1.03)0.941
Region (relative to Midwest)
Northeast0.85 (0.64–1.11)0.2490.78 (0.64–0.95)0.017
South0.75 (0.59–0.94)0.0160.75 (0.63–0.88)0.001
West1.62 (1.24–2.11)<0.0011.16 (0.93–1.45)0.163
Urban location (relative to rural)1.39 (1.05–1.85)0.021.49 (1.22–1.81)<0.001
Teaching hospital (relative to non-teaching)0.89 (0.71–1.11)0.3080.74 (0.64–0.85)<0.001
Max AIS overall0.75 (0.65–0.87)<0.0010.62 (0.55–0.71)<0.001
Max AIS score in chest region1.59 (1.37–1.85)<0.0011.43 (1.26–1.64)<0.001
  • AIS, Abbreviated Injury Scale; SSRF, surgical stabilization of rib fractures.