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Table 4 Subgroup analysis of outcomes for patients extubated after >72 h of mechanical ventilation

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

Outcomes Phase I (n = 94) Phase II (n = 66) Univariate P value Multivariate ratioa,b (95 % CI) Multivariate P valuea
Oral feeding on ICU discharge, n (%) 46 (48.9) 44 (66.7) 0.035* 2.27 (1.13–4.54) 0.021*
Pneumonia postextubation, n (%) 24 (25.5) 5 (7.6) 0.004* 0.20 (0.07–0.60) 0.004*
Reintubation, n (%) 6 (6.4) 9 (13.6) 0.168 1.80 (0.58–5.62) 0.306
Readmission to ICU, n (%) 7 (7.5) 10 (15.2) 0.128 1.79 (0.62–5.18) 0.285
ICU mortality, n (%) 1 (1.1) 3 (4.6) 0.307 4.62 (0.46–46.2) 0.192
Hospital mortality, n (%) 7 (7.5) 6 (9.1) 0.773 0.96 (0.29–3.18) 0.944
ICU LOS, days, median (IQR) 9 (7–13) 9 (7–12) 0.704 0.97 (0.83–1.13) 0.672
Hospital LOS, days, median (IQR) 24 (17–39) 18 (12–30.5) 0.010* 0.75 (0.61–0.93) 0.009*
  1. Abbreviations: CI Confidence interval, ICU Intensive care unit, IQR Interquartile range, LOS Length of stay
  2. * P < 0.05
  3. a Adjusted for Acute Physiology and Chronic Health Evaluation II score, congestive heart failure (as a comorbidity) and bronchiectasis (as a comorbidity), using logistic regression (for dichotomous outcomes) and using multiple linear regression (for log-transformed LOS)
  4. b Odds ratio for logistic regression (for dichotomous outcomes), and exponentiated ratio for multiple linear regression (for log-transformed LOS)