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Table 2 Intubating characteristics of inpatients who underwent emergent endotracheal intubation

From: Emergency tracheal intubation during off-hours is not associated with increased mortality in hospitalized patients: a retrospective cohort study

Characteristics Daytime (N = 164) Off-hours (N = 394) X2 or 95% CI P
ICU admission 74 (45.1%) 157 (39.8%) 1.328 0.249
Departments of ETI    2.406 0.121
 Surgical ward 42 (25.6%) 127 (32.2%)   
 Medical ward 122 (74.4%) 267 (67.8%)   
Mortality after ETI
 1 day 65 (39.6%) 164 (41.6%) 0.190 0.663
 7 days 85 (51.8%) 218 (55.3%) 0.572 0.450
 30 days 105 (64.0%) 268 (68.0%) 0.834 0.361
Reasons for intubation
 Respiratory diseases 90 (54.9%) 239 (60.7%) 1.600 0.206
 Cardiovascular diseases 60 (36.6%) 123 (31.2%) 1.514 0.219
 Neurological diseases 14 (8.5%) 26 (6.6%) 0.653 0.420
 Others 1 (0.6%) 5 (1.3%) 0.056 0.812
CPCR
 Pre-ETI 51 (31.1%) 98 (24.9%) 0.292 0.130
 Post-ETI 51 (31.1%) 116 (29.4%) 0.151 0.697
Pre-ETI characteristics
 HR (BPM) 116.051 ± 35.019 114.635 ± 32.443 −4.654 to 7.482 0.647
 MAP (mmHg) 83.555 ± 27.597 85.071 ± 26.202 −6.370 to 3.344 0.540
 SPO2 (%) 79.701 ± 16.496 79.558 ± 16.459 −2.868 to 3.152 0.927
 SI 0.993 ± 0.424 0.984 ± 0.413 −0.064 to 0.093 0.736
  1. Data are presented as numbers (median and percentage), or ratio or mean ± standard deviation
  2. ICU Intensive care unit, ETI Emergent endotracheal intubation, CPCR Cardiopulmonary cerebral resuscitation, HR Heart rate, MAP Mean arterial pressure, SPO2 Pulse oxygen saturation, SI Shock index
  3. aChi-square
  4. btwo-tailed Student’s t test