From: Outpatient vs. inpatient hip arthroplasty: a matched case-control study on a 90-day complication rate and 2-year patient-reported outcomes
Unplanned office/ER visits
Outpatient
Inpatient
P value
Unplanned office visits
9 (9.9%)
3 (3.3%)
0.135
ER visits
2 (2.2%)
> 0.999