Table 2: Mean clinical values, standard deviations, and P-values of study cohorts.

Variable	Total Cohort	THA Cohort	P-Value
Mean Age ± s.d.	57.9 ± 14.2	58.0 ± 15.0	0.93
Mean ASA Class ± s.d.	2.4 ± 0.6	2.4 ± 0.6	0.86
Mean BMI ± s.d.	29.4 ± 6.5	29.1 ± 6.2	0.70
Mean Days Pre-Op ± s.d.	18.9 ± 14.3	18.3 ± 14.3	0.86
Mean Length of Stay ± s.d.	4.4 ± 1.5	4.4 ± 1.4	0.78