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Table 1 Baseline characteristics of the study cohort

From: Clinical evidence for respiratory insufficiency type II predicts weaning failure in long-term ventilated, tracheotomised patients: a retrospective analysis

Factor Weaning success
n = 60
Weaning failure
n = 64
Smoking status, n (%)
 Active smokers at hospital admission 24 (60%) 16 (40%)
 Non-/ex-smokers 18 (44%) 23 (56%)
 Missing 18 25
Transfer from ..., n (%)
 External hospital 24 (50%) 24 (50%)
 External hospital via internal ICU 17 (74%) 6 (26%)
 Internal ICU 16 (43%) 21 (57%)
 General ward 1 (25%) 3 (75%)
 Facility for long-term MV 0 (0%) 2 (67%)
 Domestic setting 1 (11%) 8 (89%)
LTOT prior to current weaning episode, n (%) 2 (11%) 17 (89%)
  1. Data are expressed as n (% according to weaning subgroup)
  2. ICU intensive care unit, LTOT long-term oxygen therapy, MV mechanical ventilation