[Retracted] Analysis of the Effects of Humidified High Flow Nasal Oxygen Therapy Combined with Noninvasive Mechanical Ventilation on Treatment Outcomes

Table 1

Comparison of baseline data between the two groups of patients.

Group	n	Age (years)	BIM (kg/m^2)	PaCO2 (mmHg)	APACHE-II (min)	Gender		Disease classification
						Male	Female	Grade I	Grade II	Grade III	Grade IV
Research group	50	52.48 ± 3.67	24.62 ± 4.34	57.43 ± 2.12	10.59 ± 2.13	27 (54.00)	23 (46.00)	0 (0.00)	0 (0.00)	41 (82.00)	9 (18.00)
Control group	50	51.95 ± 3.85	24.59 ± 4.53	57.35 ± 2.20	10.48 ± 2.20	26 (52.00)	24 (48.00)	0 (0.00)	0 (0.00)	43 (86.00)	7 (14.00)
χ^2/t		0.775	0.037	0.422	0.279	0.069		0.271
		0.440	0.970	0.537	0.780	0.792		0.965