. 2021 Jun 17;14(8):1028–1034. doi: 10.1016/j.jiph.2021.06.010

Table 5.

Multivariable Stepwise Regression to find the Predictors of Critical Illness (N = 249).

Step	Predicators	B	OR (95% CI)	Sig.
Step 1^a R² = 0.272	Dyspnea	2.204	9.061(4.799−17.109)	0.001^*
Step 1^a R² = 0.272	Constant	−1.953	0.142	0.001
Step 2^b R² = 0.303	Dyspnea	2.247	9.464 (4.935−18.150)	0.001^*
	Unconsciousness	2.286	9.834 (1.572−61.523)	0.015^*
	Constant	−2.053	0.128	0.001
Step 3^c R² = 0.326	RR/Min	.099	1.104 (1.013−1.203)	0.025^*
	Dyspnea	1.878	6.542 (3.205−13.353)	0.001^*
	Unconsciousness	2.048	7.756 (1.155−52.094)	0.035^*
	Constant	−4.025	0.018	0.001

variable(s) entered on step 1: Dyspnea.

variable(s) entered on step 2: Unconsciousness.

variable(s) entered on step 3: RR/Min (Respiratory rate/minute).

P value < 0.05; HR-Heart rate/mints; RR-Respiratory rate/mints.