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Table 3 Subgroup analysis of characteristics of patients extubated after >72 h of mechanical ventilation

From: Nurse-performed screening for postextubation dysphagia: a retrospective cohort study in critically ill medical patients

Characteristics All patients (n = 160) Phase I (n = 94) Phase II (n = 66) P value
Age, years 58.5 ± 15.9 58.4 ± 17.4 58.7 ± 13.7 0.879
Female sex, n (%) 59 (36.9) 35 (37.2) 24 (36.4) 1.000
APACHE II score 27.6 ± 8.9 26.7 ± 8.9 29.0 ± 8.7 0.111
Weight, kg 67.0 ± 19.8 68.0 ± 21.4 65.7 ± 17.3 0.472
Ventilator days preextubation 6 (4–8) 6 (4–9) 6 (4–8) 0.807
Main diagnosis, n (%)     0.128
 Pneumonia 53 (33.1) 27 (28.7) 26 (39.4)  
 Nonpneumonia sepsis 21 (13.1) 10 (10.6) 11 (16.7)
 COPD 6 (3.8) 2 (2.1) 4 (6.1)
 Asthma 9 (5.6) 5 (5.3) 4 (6.1)
 Fluid overload 13 (8.1) 8 (8.5) 5 (7.6)
 Stroke 6 (3.8) 6 (6.4) 0 (0.0)
 Seizure 10 (6.3) 8 (8.5) 2 (3.0)
 Othera 42 (26.3) 28 (29.8) 14 (21.2)
Comorbidity, n (%)     
 Diabetes mellitus 66 (41.5) 34 (36.6) 32 (48.5) 0.145
 Hypertension 86 (54.1) 51 (54.8) 35 (53.0) 0.872
 IHD 41 (25.8) 25 (26.9) 16 (24.2) 0.854
 CHF 8 (5.0) 3 (3.2) 5 (7.6) 0.278
 Asthma 23 (14.5) 11 (11.8) 12 (18.2) 0.360
 COPD 8 (5.0) 2 (2.2) 6 (9.1) 0.067
 Bronchiectasis 3 (1.9) 0 (0.0) 3 (4.6) 0.070
 OSA 11 (6.9) 7 (7.5) 4 (6.1) 1.000
 CKD 36 (22.6) 18 (19.4) 18 (27.3) 0.254
 CLD 6 (3.8) 4 (4.3) 2 (3.0) 1.000
 Stroke 19 (12.0) 14 (15.1) 5 (7.6) 0.215
 Cancer 17 (10.7) 9 (9.7) 8 (12.1) 0.615
  1. Abbreviations: APACHE Acute Physiology and Chronic Health Evaluation, CHF Chronic heart failure, CKD Chronic kidney disease, COPD Chronic obstructive pulmonary disease, CLD Chronic liver disease, IHD Ischemic heart disease, IQR Interquartile range, OSA Obstructive sleep apnea
  2. a Including hyperglycemic crises, drug overdose, fulminant hepatic failure, major trauma, neuromuscular dysfunction