. 2024 Feb 29;12:e16997. doi: 10.7717/peerj.16997

Table 2. Pairwise comparison of the indicators.

	Control group	Experimental group	T	Z	P
Pre-aspiration risk score	15.45 ± 2.93	14.87 ± 2.25	0.875		0.385
Post-aspiration risk score	14.06 ± 2.29	13.52 ± 2.22	0.957		0.343
T	5.079	5.044
P	<0.001	<0.001
Pre-CPIS	6.52 ± 1.12	6.45 ± 0.89	0.251		0.803
Post-CPIS	3.9 ± 1.35	3.81 ± 0.83	0.34		0.735
T	9.857	14.466
P	<0.001	<0.001
Pre-white blood cell count	13.55 ± 5.19	14.45 ± 8.42	−0.507		0.615
Post-white blood cell count	11.68 ± 4.26	11.81 ± 5.62	−0.104		0.917
T	1.786	1.698
P	0.084	0.1
Pre-PCT	0.27 (0.15,3.35)	0.39 (0.25,3.90)		−1.089	0.276
Post-PCT	0.17 (0.11,0.9)	0.28 (0.16,0.73)		−0.912	0.362
Z	−3.072	−3.472
P	0.002	0.001
Pre-C-reactive protein	3.37 (2.97,29.56)	3.22 (2.93,29.7)		−0.394	0.693
Post-C-reactive protein	3.25 (2.84,30.21)	3.22 (2.07,29.88)		−0.124	0.901
Z	−1.321	−1.184
P	0.187	0.236
Pre-pH	7.44 ± 0.06	7.42 ± 0.05	1.295		0.2
Post-pH	7.43 ± 0.04	7.43 ± 0.04	0.763		0.449
T	0.284	−0.679
P	0.778	0.502
Pre-PaO₂	106.75 ± 31.46	97.79 ± 28.28	1.18		0.243
Post-PaO₂	130.81 ± 40.07	114.85 ± 27.25	1.834		0.072
T	−2.605	−2.563
P	0.014	0.016
Pre-PaCO₂	36.11 ± 6.51	39.38 ± 7.06	−1.896		0.063
Post-PaCO₂	43.15 ± 6.01	42.97 ± 6.67	0.113		0.91
T	−4.552	−2.665
P	<0.001	0.012
Pre-oxygenation index	223.44 ± 65.73	202.04 ± 51.93	1.422		0.16
Post-oxygenation index	323.15 ± 83.03	305.59 ± 67.44	0.914		0.364
T	−5.411	−6.82
P	<0.001	<0.001

Notes.

Abbreviations