Table II.

Summary of hazard ratios for the increased risk of complications associated with preoperative depressive or anxiety disorders (univariable analysis).

Outcome	HR (95% Cl)
	Primary THA	Revision THA	Primary TKA	Revision TKA
Superficial infection	1.8 (1.1 to 2.8)	2.7 (1.1 to 6.8)	2.1 (1.4 to 3.2)	0.5 (0.1 to 2.1)
Periprosthetic joint infection	1.3 (0.9 to 1.9)	1.6 (0.9 to 2.8)	1.4 (1.0 to 2.0)	2.1 (1.3 to 3.4)
Any infection	1.5 (1.1 to 2.0)	1.9 (1.2 to 2.9)	1.6 (1.2 to 2.0)	1.8 (1.2 to 2.9)
Revision or re-revision	1.7 (1.3 to 2.1)	2.0 (1.4 to 2.8)	1.6 (1.3 to 2.0)	1.6 (1.1 to 2.4)
Reoperation	1.6 (1.3 to 1.9)	2.2 (1.7 to 2.9)	1.4 (1.2 to 1.6)	1.9 (1.4 to 2.6)
Nonoperative complication	1.3 (1.1 to 1.5)	0.8 (0.7 to 1.1)	1.0 (0.9 to 1.2)	1.0 (0.7 to 1.3)

Cl, confidence interval; HR, hazard ratio; THA, total hip arthroplasty; TKA, total knee arthroplasty.