a slight trendP = 0.056
Although the presence of CHF and chronic obstructive pulmonary disease (COPD) were not deemed to be statistically significant between the 2 groups, there was a slight trend toward the distal femur fracture group having a higher proportion of patients with CHF (38.8% vs. 34.3%, P = 0.056) and lower proportion of COPD (7.2% vs. 9.9%).