Comparison of ROX index with modified indices incorporating heart rate, flow rate, and PaO2/FiO2 ratio for early prediction of outcomes among patients initiated on post-extubation high-flow nasal cannula therapy

Table 5 Cox regression analysis evaluating for the prediction of HFNC failure in patients post-extubation

	Univariate analysis	p-value	Multivariate analysis	p-value
2 h ROX > 12.40	0.183 (0.041–0.828)	0.027*	0.125 (0.026–0.601)	0.009**
2 h ROX-HR > 12.13	0.142 (0.032–0.641)	0.011*	0.057 (0.010–0.318)	0.001**
2 h ROX-HR Flow > 12.25	0.106 (0.024–0.474)	0.003**	0.029 (0.005–0.185)	< 0.001**
POX-HR Flow > 10.45	0.156 (0.043–0.568)	0.005**	0.064 (0.013–0.305)	0.001**

ISSN: 2047-783X