Table 1 Patient’s characteristics for qualitative and quantitative variables according to their association with PICA
From: Reverse shock index (RSI) as a predictor of post-intubation cardiac arrest (PICA)
Variables | Cardiac arrest | p value | |
|---|---|---|---|
Yes | No | ||
Sex | |||
Female | 45 (47.9%) | 5(15.6%) | 0.002 |
Male | 50(52.1%) | 27(84.4%) | |
PMHa | |||
DMb | 21(22.8%) | 3(9.4%) | 0.09 |
HTNc | 28(30.4%) | 3(9.4%) | 0.02 |
IHDd | 12(13.0%) | 2(6.3%) | 0.51 |
CVAe | 11(12.0%) | 2(6.3%) | 0.51 |
CKDf | 5 (5.4%) | 1(3.1%) | 1.00 |
COPDg | 26(28.3%) | 3(9.4%) | 0.03 |
Malignancy | 18(19.6%) | 1(3.1%) | 0.02 |
Cirrhosis | 4(4.4%) | 0(0%) | 1.00 |
HIV | 1(1.1%) | 0(0%) | 1.00 |
ECG | |||
Rate changes | |||
STh | 64(68.1%) | 12(37.5%) | 0.007 |
SBi | 3(3.2%) | 1(3.1%) | |
Blocks | |||
RBBBj | 10(10.6%) | 3(9.4%) | 0.70 |
LBBBk | 5(5.3%) | 0(0%) | |
Bifascicular | 3(3.3%) | 0(0%) | |
ST-T changes | 5(5.4%) | 0(0%) | 1.00 |
Crystalloid before ETIl | 54(56.3%) | 22(68.8%) | 0.21 |
Vasopressor before ETI | 26(27.1%) | 3(9.4%) | 0.03 |
Oxygenation type | 0.003 | ||
Non-rebreathing mask | 74(78.6%) | 13(43.4%) | |
Simple mask | 14(14.8%) | 12(40.1%) | |
Nasal cannula | 1(1.1%) | 2(6.6%) | |
Venturi mask | 2(2.2%) | 2(6.6%) | |
BiPAPm | 3(3.3%) | 1(3.3%) | |
Intubation indications | |||
Airway protection | 66(68.8%) | 28(87.5%) | 0.03 |
Respiratory failure | 49(51.0%) | 7(21.9%) | 0.004 |
Acute heart failure | 2(2.1%) | 0(0%) | 1.00 |
Septic shock | 29(30.2%) | 1(3.1%) | 0.002 |
Cardiogenic shock | 7(7.4%) | 0(0%) | 0.2 |
Obstructive shock | 7(7.4%) | 0(0%) | 0.2 |
Anaphylactic shock | 0(%) | 1(3.1%) | 0.25 |
Induction agents | 0.005 | ||
Etomidate | 52(54.7%) | 19(59.4%) | |
Propofol | 10(10.5%) | 10(31.3%) | |
Ketamine | 2(2.1%) | 0(0%) | |
NMBAn | |||
Succinylcholine | 8(8.5%) | 6(18.8%) | 0.2 |
Intubation in first try | 11(11.5%) | 1(3.1%) | 0.3 |
Age, mean ± SD | 65.53 ± 19.37 | 38.22 ± 18.19 | < 0.0001 |
Vital signs | |||
PRo, mean ± SD | 113.62 ± 27.93 | 101.25 ± 22.11 | 0.01 |
SBPp, mean ± SD | 113.7330.07 | 132.7524.93 | 0.02 |
MAPq, mean ± SD | 84.52 ± 22.51 | 105.41 ± 20.82 | 0.02 |
SIr, mean ± SD | 1.07 ± 0.38 | 0.78 ± 0.23 | 0.001 |
RSIs, mean ± SD | 1.06 ± 0.39 | 1.36 ± 0.44 | 0.005 |
O2 saturation, mean ± SD | 82.35 ± 15.38 | 84.00 ± 16.08 | 0.006 |
Lab tests | |||
Hb, mean ± SD | 12.62 ± 3.25 | 13.65 ± 2.25 | 0.001 |
BUN, mean ± SD | 80.08 ± 41.53 | 32.25 ± 9.74 | < 0.0001 |
Cr, mean ± SD | 1.87 ± 1.60 | 0.95 ± 0.33 | 0.008 |
Bili T, mean ± SD | 3.26 ± 4.06 | 0.75 ± 0.30 | 0.002 |
Bili D, mean ± SD | 2.01 ± 3.06 | 0.25 ± 0.10 | 0.005 |
AST, mean ± SD | 263.31 ± 593.78 | 67.75 ± 74.33 | 0.01 |
ALT, mean ± SD | 118.69 ± 131.12 | 44.50 ± 24.55 | 0.02 |
ESR, mean ± SD | 48.62 ± 44.59 | 17.00 ± 14.78 | 0.02 |
CRP, mean ± SD | 105.26 ± 104.58 | 20.45 ± 23. 05 | 0.06 |