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. 2024 May 20;2024:4622511. doi: 10.1155/2024/4622511

Table 1.

Baseline characteristics of critically ill patients requiring ETI.

Characteristics Total 326 Gender distribution p value
Female Male
123 203
Age (years) 50.3 (±17.8) 45.6. (±18) 53.1 (±17.2) <0.001
Age groups
 <45 Years 128 [39.3%] 61 [49.6%] 67 [33%] 0.003
 ≥45 Years 198 [60.7%] 62 [50.4%] 136 [67%]
Shifts
 Night (10 pm–08 am) 142 [43.6%] 56 [45.5%] 86 [42.4%] 0.577
 Morning to evening (08 am–10 pm) 184 [56.4%] 67 [54.5%] 117 [57.6%]
Preintubation vitals [median (IQR)]
 Systolic blood pressure (mmHg) 128 (150–77) 126 (146.5–82) 131 (151–75) 0.414
 Diastolic blood pressure (mmHg) 76 (90–38) 76 (89–36) 75 (90–40) 0.571
 Heart rate 110 (125–63) 110 (125–66) 110 (126–60) 0.884
 Oxygen saturation (%) 93 (98–57) 93.5 (98–62.5) 93 (98–52) 0.610
 Respiratory rate 28 (36–16) 28 (36–18) 28 (35–16) 0.715
Reasons for intubation
 Coma 220 [67.5%] 85 [69.1%] 135 [66.5%] 0.627
 Hypoxia 130 [39.9%] 50 [40.7%] 80 [39.4%] 0.824
 Metabolic acidosis 89 [27.3%] 37 [30.1%] 52 [25.6%] 0.380
 Anticipated decline (deterioration in next few hours) 143 [43.9%] 53 [43.1%] 90 [44.3%] 0.826
 Shortness of breath 239 [73.3%] 92 [74.8%] 147 [72.4%] 0.637
 Respiratory distress 165 [50.6%] 64 [52%] 101 [49.8%] 0.690
 Polytrauma 17 [5.2%] 9 [7.3%] 8 [3.9%] 0.184
 Isolated trauma 21 [6.4%] 5 [4.1%] 16 [7.9%] 0.174
 Gunshot injury 4 [1.2%] 1 [0.8%] 3 [1.5%] 0.597
 Others 8 [2.5%] 2 [1.6%] 6 [3%] 0.452
Shock index
 <0.9 177 [54.3%] 71 [57.7%] 106 [52.2%] 0.333
 ≥0.9 149 [45.7%] 52 [42.3%] 97 [47.8%]
pH
 >7.3 74 [22.7%] 26 [21.1%] 48 [23.6%] 0.600
 ≤7.3 74 [22.7%] 26 [21.1%] 48 [23.6%]
Heaven criteria
 Hypoxemia 128 [39.3%] 49 [39.8%] 79 [38.9%] 0.869
 Extremes of size 27 [8.3%] 11 [8.9%] 16 [7.9%] 0.736
 Anatomic abnormalities 46 [14.1%] 16 [13%] 30 [14.8%] 0.656
 Vomit/blood/fluid 111 [34%] 46 [37.4%] 65 [32%] 0.321
 Exsanguination 12 [3.7%] 5 [4.1%] 7 [3.4%] 0.774
 Neck mobility issues 45 [13.8%] 18 [14.6%] 27 [13.3%] 0.735

Worsening type 2 failure, aspiration pneumonia, epileptic status, asthmatic status, severe agitation/diarrhea, impending threat to the airway due to burns or esophageal rupture or expanding hematoma.