Table 3.

Univariate analysis for HFNC success.

	OR	95%CI	p
ROX1h	0.44	0.29–0.66	0.000
ROX6h	0.40	0.24–0.68	0.001
ROX12h	0.29	0.14–0.59	0.001
ROX24h	0.39	0.23–0.68	0.001