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Table 1 Baseline characteristics of patients with different weaning outcomes

From: Diaphragm thickening fraction to predict weaning—a prospective exploratory study

Variables All weaning (N = 64) Simple weaning (n = 33) Complicated weaning (n = 31) p value
Age, years 37 (22–56) 39 (21–54) 37 (22–58) 0.37
Gender, male, n (%) 40 (62.5) 22 (66.7) 18 (58.1) 0.60
Category of patients, n (%)     0.29
 Medical 55 (85.9) 30 (90.9) 25 (80.6)  
 Surgical 9 (14.1) 3 (9.1) 6 (19.3)  
Care received prior to admission, n (%)     
 Intensive care 47 (73.4) 24 (72.7) 23 (74.2) 1
 Mechanical ventilation 31 (48.4) 13 (39.4) 18 (58.1) 0.21
Source of admission, n (%)     0.05
 Emergency 12 (18.8) 5 (15.1) 7 (22.6)  
 Intra-hospital ICU 14 (21.9) 11 (33.3) 3 (9.7)  
 Inter-hospital ICU 29 (45.3) 11 (33.3) 18 (58.1)  
 Intra-hospital ward 9 (14.1) 6 (18.2) 3 (9.7)  
Type of illness, n (%)     
 Sepsis 17 (26.6) 11 (33.3) 6 (19.3) 0.01
 Neurological 16 (25) 3 (9.1) 13 (41.9)  
 Cardiovascular 3 (4.7) 3 (9.1) 0  
 Gastrointestinal 3 (4.7) 0 3 (9.7)  
 Hepatic 4 (6.3) 2 (6.1) 2 (6.4)  
 Respiratory 3 (4.7) 2 (6.1) 1 (3.2)  
 SAP 4 (6.3) 1 (3.0) 3 (9.7)  
 Tropical 7 (10.9) 5 (15.1) 2 (6.4)  
 Others 7 (10.9) 6 (9.1) 1 (3.2)  
Coexisting illness, n (%)     0.66
 CKD 3 (4.7) 3 (9.1) 0  
 COPD 3 (4.7) 1 (3.0) 2 (6.4)  
 Hypertension 6 (9.4) 2 (6.1) 4 (12.9)  
 Hypertension, diabetes mellitus 7 (10.9) 3 (9.1) 4 (12.9)  
 Hypothyroidism 1 (1.6) 0 1 (3.2)  
 Multiple (≥ 3) 3 (4.7) 2 (6.1) 1 (3.2)  
 None 37 (57.8) 20 (60.6) 17 (54.8)  
 Other 4 (6.3) 2 (6.1) 2 (6.4)  
Source of sepsis, n (%)     0.60
 Intra-abdominal 8 (12.5) 3 (9.1) 5 (16.1)  
 Central nervous system 8 (12.5) 5 (15.1) 3 (9.7)  
 Hepatic 1 (1.6) 1 (3.0) 0  
 Respiratory 42 (65.6) 20 (60.6) 22 (71.0)  
 None 1 (1.6) 1 (3.0) 0  
 Unknown 4 (6.3) 3 (9.1) 1 (3.2)  
  1. Data is expressed in median (interquartile range), unless specified. Test for statistical significance (p value) used is Pearson chi-square for categorical data and Mann-Whitney U test for continuous measurements
  2. Abbreviations: IQR interquartile range, ICU intensive care unit