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Table 1 Baseline characteristics for pre-post implementation analysis

From: Effectiveness of a standardized electronic admission order set for acute exacerbation of chronic obstructive pulmonary disease

Characteristics Total Pre-implementation Post-implementation p-value
Number of patients 1413 556 857  
Mean age, years (SD) 70 (12) 70 (12) 70 (12) 0.747
Age group, n (%)
< 55 129 (9.1) 59 (10.6) 70 (8.2) 0.250
55–64 323 (22.9) 128 (23.0) 195 (22.8)
65–74 428 (30.3) 157 (28.2) 271 (31.6)
75–84 360 (25.5) 136 (24.5) 224 (26.1)
85+ 173 (12.2) 76 (13.7) 97 (11.3)
Male sex, n (%) 727 (51.5) 279 (50.2) 448 (52.3) 0.441
Comorbidity, n (%)
Heart failure 190 (13.5) 71 (12.8) 119 (13.9) 0.548
Dementia 45 (3.2) 24 (4.3) 21 (2.5) 0.051
Diabetes 318 (22.5) 131 (23.6) 187 (21.8) 0.444
Renal disease 36 (2.6) 13 (2.3) 23 (2.7) 0.687
Liver disease 13 (0.9) 6 (1.1) 7 (0.8) 0.614
Admitting specialty, n (%)
Respirologist 148 (10.5) 51 (9.2) 97 (11.3) 0.0005
General internist 299 (21.2) 92 (16.6) 207 (24.2)
Hospitalist 966 (68.4) 413 (74.3) 553 (64.5)
  1. SD = standard deviation