Table 6: Differences in mean clinical factors at 4-day pre-op cutoff for total and THA cohort.

Variable Total Cohort P-Value THA Cohort P-Value
≤4 Days ≥5 Days ≤4 Days ≥5 Days
Mean Age ± s.d. 51.1 ± 17.4 58.4 ± 13.9 0.20 51.1 ± 17.4 58.6 ± 14.7 0.19
Mean ASA Class ± s.d. 2.3 ± 0.5 2.4 ± 0.6 0.52 2.3 ± 0.5 2.4 ± 0.6 0.55
Mean BMI ± s.d. 27.8 ± 7.8 29.5 ± 6.4 0.48 27.8 ± 7.8 29.2 ± 6.0 0.57