Impact of depression on functional status in elderly patients undergoing total knee arthroplasty

Table 3 Frequency of combined events (death or major complication) at 3 months postoperative in patients with and without depression, n (%)

Characteristic	With depression (n = 21)	Without depression (n = 75)	P value
Combined final event: Major complication or death.	4 (19)	16 (21.3)	1
Cerebrovascular accident (stroke)	1 (4.8)	0 (0)	N/A
Arrhythmia	0 (0)	1 (1.3)	N/A
Acute coronary event	0 (0)	1 (1.3)	N/A
Heart failure	0 (0)	5 (6.7)	N/A
Non-prosthetic infection	1 (4.8)	2 (2.7)	0.5
Periprosthetic infection	0 (0)	1 (1.3)	N/A
Acute renal failure	1 (4.8)	4 (5.3)	1
Major bleeding	0 (0)	2 (2.7)	N/A
Deep vein thrombosis/pulmonary embolism	1 (4.8)	5 (6.7)	1
Death	0 (0)	1 (1.3)	N/A

N/A: Not applicable.