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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Med Care. 2015 Jun;53(6):550–557. doi: 10.1097/MLR.0000000000000355

Table 1.

Selected Characteristics of Patients and Study Hospitals in 1999 and 2006

1999 2006


Patient Characteristics Magnet
(n=38,783)
Non-Magnet
(n=194,868)
P-Value Magnet
(n=48,200)
Non-Magnet
(n=209,956)
P-Value
Age 59.7 (16.5) 61.4 (16.4) <0.001 59.9 (15.9) 60.8 (16.0) <0.001
Male 17,415 (44.9%) 83,498 (42.9%) <0.001 20,626 (42.8%) 89,183 (42.5%) 0.21
Major Diagnostic Category (MDC), n(%)
  General surgery 16,676 (43.0%) 83787 (43.0%) 19,611 (40.7%) 84112 (40.1%)
  Orthopedic surgery 18,535 (47.8%) 96816 (49.7%) 25,466 (52.8%) 114087 (54.3%)
  Vascular surgery 3,572 (9.2%) 14265 (7.3%) <0.001 3,123 (6.5%) 11757 (5.6%) <0.001
Average number of comorbid conditions, mean (SD) 1.17 (1.14) 1.21 (1.17) <0.001 1.58 (1.25) 1.55 (1.25) <0.001

Hospital Characteristics Magnet (n=11) Non-Magnet
(n=125)
P-Value Magnet (n=11) Non-Magnet
(n=125)
P-Value

Size, n (%)
<100 beds 0 (0%) 26 (20.8%) 0 (0%) 20 (16%)
  101–250 beds 3 (27.3%) 75 (60%) 2 (18.2%) 71 (56.8%)
>250 beds 8 (72.7%) 24 (19.2%) <0.001 9 (81.2%) 34 (27.2%) 0.001
Teaching Status, n(%)
  None 2 (18.2%) 81 (64.8%) 0 (0%) 64 (51.2%)
  Minor 5 (45.5%) 31 (24.8%) 6 (54.5%) 47 (37.6%)
  Major 4 (36.4%) 13 (10.4%) <0.01 5 (45.5%) 14 (11.2%) <0.001
High Technology Status, n (%) 8 (72.7%) 37 (29.6%) <0.01 11 (100%) 50 (40%) <0.001
Nurses with BSN or higher, mean % (SD) 43% (13%) 31% (12%) <0.01 45% (13%) 33% (13%) <0.01
Patients per nurse, mean (SD) 5.0 (0.7) 5.8 (1.2) 0.02 4.9 (0.6) 5.8 (1.1) <0.001

Notes: Percentages may not add to 100 due to rounding. Chi-squares, Fisher exact tests, and t-tests were used to determine statistical significance of differences. BSN=Bachelor of Science in Nursing.