Sequential treatment of severe pneumonia with respiratory failure and its influence on respiratory mechanical parameters and hemodynamics

Table 1 Single-factor analysis of patient population and characteristic clinical parameters in the two groups

Index	Sequential group (n = 54)	Regular group (n = 54)	t/χ2	P value
Age (yr)	65.9 ± 5.5	65.2 ± 6.5	0.604	0.547
Height (cm)	165.8 ± 5.0	165.3 ± 4.4	0.552	0.582
Body weight (kg)	66.4 ± 6.2	65.8 ± 5.7	0.524	0.602
APACHE II score (scores)	19.8 ± 3.0	20.3 ± 3.4	-0.810	0.420
CPIS score (scores)	9.9 ± 1.1	10.1 ± 1.3	-0.863	0.390
Heart rate (times/min)	74.3 ± 6.0	76.2 ± 7.4	-1.466	0.146
Sex, n (%)			0.336	0.562
Male	31 (57.41)	28 (51.85)
Female	23 (42.59)	26 (48.15)
Hypertension, n (%)			2.897	0.087
Yes	14 (25.93)	7 (12.96)
No	40 (74.07)	47 (87.04)
Diabetes, n (%)			0.911	0.340
Yes	4 (7.41)	7 (12.96)
No	50 (92.59)	47 (87.04)
Dyslipidemia, n (%)			2.445	0.117
Yes	28 (51.85)	36 (66.67)
No	26 (48.15)	18 (33.33)
Smoking, n (%)			1.462	0.227
Yes	22 (40.74)	16 (29.63)
No	32 (59.26)	38 (70.37)