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Table 3 Patient characteristics in groups according to the 2-year-period pre-ICU healthcare use: groups A, B and C built after clustering (see text for details), and group D who had no pre-ICU healthcare use reported

From: Healthcare trajectories before and after critical illness: population-based insight on diverse patients clusters

VariablesGroup A
(n = 479)
Group B
(n = 75)
Group C
(n = 51)
Group D
(n = 251)
p
Percentage of total study population54.38.55.828.5 
Age, mean ± SD61 ± 1563 ± 1462 ± 1561 ± 150.8
Main comorbidities reported (during 2-year pre-ICU period)     
 Chronic cardiac disease, n (%)82 (17.1)23 (30.6)21 (41)NA< 0.001*
 Chronic respiratory disease, n (%)49 (10.2)13 (17.3)13 (25.4)NA0.003*
 Chronic hepatic disease, n (%)22 (4.5)14 (6, 14)9 (17.6)NA< 0.001*
 Chronic renal disease, n (%)17 (3.5)14 (18.6)6 (11.7)NA< 0.001*
SAPSII, mean ± SD49 ± 1753 ± 1850 ± 1949 ± 170.78
Duration of mechanical ventilation (days), mean ± SD17 ± 1513 ± 1015 ± 1415 ± 110.10
ICU LOS (days), mean ± SD27 ± 2221 ± 1626 ± 2226 ± 190.23
Hospital LOS (days), mean ± SD53 ± 3752 ± 4859 ± 4647 ± 250.18
  1. SAPSII simplified acute physiology score II of the index intensive care unit (ICU) stay, SD standard deviation, LOS length of stay, NA non applicable
  2. * Tests performed between groups A, B and C