Table 3.

Postoperative Complications in Intervention and Control Group Over 6 Months Postoperatively [Number of Patients (%)]

	Intervention (n=73)		Control (n=79)		P value
Postoperative complications	n	(%)	n	(%)	Unadj.†	Part.adj.‡	Fully adj.§
Total number of patients with ≥1 complication tion	32	(43.8)	35	(44.3)	0.95	0.99	0.49
Surgical complications	19	(26.0)	11	(13.9)	0.06	0.04	0.03
Surgical bleeding	3	(4.1)	2	(2.5)	0.67	0.54	0.90
Dislocation of the hip implant	8	(11.0)	1	(1.3)	0.02	0.04	0.05
Surgical revision of osteosynthesis material	13	(17.8)	6	(7.6)	0.06	0.05	0.02
Wound infection	5	(6.8)	3	(3.8)	0.48	0.32	0.31
Infectious complications	10	(13.7)	11	(13.9)	0.97	0.87	0.90
Urinary tract infection	5	(6.8)	8	(10.1)	0.47	0.47	0.40
Pulmonary infection	2	(2.7)	2	(2.5)	1.00	0.72	0.99
Sepsis	1	(1.4)	0	(0.0)	0.48	0.99	0.99
Other infections	5	(6.8)	2	(2.5)	0.26	0.19	0.20
Cardiovascular complications	2	(2.7)	4	(5.1)	0.68	0.46	0.63
Myocardial infarction	1	(1.4)	1	(1.3)	1.00	0.46	1.00
Congestive heart failure	1	(1.4)	0	(0.0)	0.48	1.00	1.00
Cerebrovascular accident	0	(0.0)	1	(1.3)	1.00	1.00	1.00
Pulmonary embolism	0	(0.0)	2	(2.5)	0.50	1.00	0.98
Pressure ulcers	4	(5.5)	2	(2.5)	0.43	0.34	0.33
Delirium	5	(6.8)	5	(6.3)	1.00	0.79	0.56
Anemia	10	(13.7)	13	(16.5)	0.64	0.50	0.39

^†Unadjusted p value of difference between intervention and control group (chi square).

^‡Partially adjusted model: adjusted for stratification variables, i.e., center, sex, and age.

^§Fully adjusted model: adjusted for center, sex, age, fracture type, diseases of the nervous system, chronic obstructive pulmonary disease and asthma, cerebrovascular diseases, ASA score, and risk of malnutrition according to the Mini-Nutritional Assessment.