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Table 1 Patient demographics and ICU admission characteristics

From: Introducing an integrated intermediate care unit improves ICU utilization: a prospective intervention study

  Pre-IMC period IMC period p-value
Number of patients 548 479  
Number of stays 579 517  
ICU days 4083 3692  
Number of beds 17 16  
Gender, (% male) 58% 60% 0.57*
Age, (mean, ±SD) 55 (18.1) 56 (18.2) 0.80**
% surgical 60.2% 61.5% 0.59*
Diagnostic category    0.50*
Neuro-neurosurgical 26.5% 29.5%  
Respiratory 22.4% 19.8%  
Gastro-intestinal 19.4% 19.2%  
Cardiovascular 12.7% 14.7%  
Multi-trauma 11.2% 8.4%  
Sepsis 4% 4.2%  
Metabolic/renal 3.6% 3.4%  
Haematological 0.2% 0.8%  
APACHE II (mean, ±SD) 19.3 (8.1) 19.6 (7.6) 0.43**
TISS-28 on ICU admission day (mean, ±SD) 28.7 (10.6) 30.6 (11.0) 0.005**
  1. *chi-square tests; **Mann Witney tests.