Table 6.

Results of multicollinearity test for factors associated with the mortality of mechanically ventilated patients in adult ICUs of referral hospitals in Northwest Amhara, Ethiopia, 2023 (n = 404).

Variable	Vif	1/Vif
Presence of comorbidity	5.39	0.185691
Respiratory failure	5.20	0.192342
MODS	4.84	0.206509
Cardiovascular failure	4.47	0.223793
Renal failure	4.34	0.230652
Duration of ventilation	3.75	0.266398
Neurologic failure	3.74	0.267292
Length of stay in ICU	3.33	0.300013
Oxygen saturation at initiation of MV	3.15	0.317129
Required hemodialysis	3.15	0.317955
Presence of organ failure	3.05	0.328366
Vasopressor use	2.67	0.374532
GCS at ICU admission	2.30	0.434746
HIV/AIDS	2.25	0.445293
Indication for MV	2.19	0.456595
Chronic kidney disease	2.18	0.457992
Hypertension	2.08	0.480453
Diabetes mellitus	2.03	0.492034
Main admission diagnosis	2.01	0.497492
Asthma	1.99	0.503646
Respiratory rate at initiation of MV	1.98	0.505784
Hematologic failure	1.85	0.539547
Baseline hemoglobin level	1.79	0.558254
Age of the patient	1.79	0.558537
Blood pressure at initiation of MV	1.76	0.568677
Congestive heart failure	1.74	0.573772
Presence of sepsis	1.71	0.584657
Reintubation	1.62	0.618082
Infectious failure	1.61	0.620387
Stroke	1.59	0.628897
Sedative use	1.57	0.635789
Airway access	1.55	0.643840
COPD	1.46	0.684478
Baseline serum albumin level	1.44	0.694144
Extubation time	1.38	0.725461
Initial PEEP	1.37	0.729806
Heart rate at initiation of MV	1.35	0.740303
Initial mode of ventilation	1.29	0.777353
Readmission	1.26	0.795441
Sex of the patient	1.25	0.801868
Temperature at the initiation of MV	1.24	0.805046
Hepatic failure	1.23	0.813025
Residence	1.23	0.815161
Intubation time	1.22	0.817741
Mean Vif	2.28