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. 2009 May 8;8:20. doi: 10.1186/1475-2891-8-20

Table 2.

Characteristics of patients and divided according to the size of hospital.

Hospitals
Large sized Middle sized Small sized
n = 1197 n = 824 n = 370 P-value
Age, mean (SD) 66 (18) 69 (16) 70 (16) 0.001 a, b, c
Age group < 0.005 a, b
 < 70 years, % 51.7 45.0 39.9
 ≥ 70 years, % 48.3 55.0 60.1
Gender, % 0.580
 Men 49.5 48.0 46.5
 Women 50.5 52.0 53.5
Distribution of patients within some specialities, %
 Medicine 36.9 41.0 33.2 0.092
 Surgery 16.8 17.0 10.5 0.022 b, c
 Orthopaedics 8.6 11.1 13.8 0.018 d
 Psychiatry 5.3 2.6 8.9 0.001 a, b, c
Distribution of patients according to some diagnosis categories, %
 Pulmonary 6.1 11.6 9.8 < 0.0005 a, b
 Cardiovascular 19.0 22.4 30.6 < 0.0005 b, c
 Infectious 9.9 7.3 4.0 0.003 b, c
 Gastrointestinal 13.4 20.3 3.4 < 0.0005 a, b, c
 Neurological 4.3 5.2 2.4 0.139
 Orthopaedic 10.8 7.8 29.0 < 0.0005 a, b, c
 Psychiatric 6.1 3.1 11.1 < 0.0005 a, b, c
 Oncological 28.5 24.2 7.3 < 0.0005 b, c

Missing values in < 5%. ANOVA, Chi-square test

a first group differs compared to second

b first group differs compared to third

c second group differs compared to third group

d not significant in post hoc analysis