Table 2.

Characteristics of surgical patients (N=641,187)

Characteristics	Kaiser Hospitals (n=34,104)	Non-Magnet Hospitals (n=497,993)	Magnet Hospitals (n=109,090)	Kaiser vs. Non-Magnet	Kaiser vs. Magnet
	% (No.)			P value
Age in years, mean (SD)	61.5 (14.9)	59.9 (16.3)	59.9 (15.9)	0.8227	0.5339
Male	43.3 (14763)	43.4 (217439)	43.2 (47080)	0.113	0.709
Major diagnostic categories
Hypertension	57.17 (19496)	49.00 (244016)	48.69 (53113)	0.933	0.643
Musculoskeletal system diseases	54.20 (18485)	53.19 (264872)	52.30 (57056)	0.729	0.667
Digestive system diseases	24.48 (8348)	21.67 (107993)	21.82 (23800)	0.179	0.077
Obesity	20.23 (6898)	8.78 (43732)	7.99 (8712)	0.001	0.026
Chronic pulmonary disease	16.81 (5732)	15.06 (75004)	13.87 (15128)	0.652	0.669
Diabetes without chronic complications	13.14 (4482)	15.75 (78448)	14.41 (15715)	0.148	0.300
Depression	10.27 (3504)	7.51 (37411)	7.82 (8533)	0.057	0.015
Hepatobiliary system disease	9.40 (3205)	10.85 (54017)	10.02 (10928)	0.976	0.472
Congestive heart failure	6.37 (2172)	4.97 (24735)	4.29 (4682)	0.018	0.048
Circulatory system diseases	4.93 (1681)	5.56 (27682)	5.91 (6443)	0.264	0.064
Endocrine, nutritional, and metabolic diseases	4.44 (1513)	5.28 (26301)	6.26 (6829)	0.005	0.115
Metastatic cancer	4.29 (1464)	3.03 (15068)	3.90 (4252)	0.216	0.891
Liver disease	2.90 (988)	2.35 (11691)	2.40 (2620)	0.299	0.501
Skin, subcutaneous tissue, breast diseases	2.56 (872)	3.45 (17188)	3.70 (4034)	0.079	0.050
Outcomes				Odds Ratio*
Deaths within 30 days of admission	1.55 (530)	1.81 (8998)	1.51 (1645)	0.86**	1.03
Complications	35.98 (12271)	33.61 (330614)	34.50 (37631)	1.07***	1.04***
Failure to rescue	3.7 (454)	4.61 (7704)	3.83 (1440)	0.82**	0.94

^*p <0.05;

^**p<0.01;

^***p<0.001