Table 1. Comparison of general and baseline data between the two groups $\overline{x}\pm s/{\chi }^2$.

	Experimental group	Control group	T/χ2	P
Age	49.06 ± 10.41	48.45 ± 10.18	0.234	0.816
Height	169.52 ± 5.8	167.55 ± 5.57	1.363	0.178
Weight	68.56 ± 9.13	72.91 ± 10.91	−1.701	0.094
GCS	5 ± 1.88	5.84 ± 1.98	−1.708	0.093
HR	88.94 ± 20.44	85.94 ± 17.49	0.621	0.537
MAP	95.52 ± 14.25	96.84 ± 14.24	−0.365	0.716
Sex (male)	28 (90.3%)	28 (90.3%)	–	1
Coughing ability (+)	30 (96.8%)	31 (100%)	–	1
Mechanical ventilation	27 (87.1%)	30 (96.8%)	–	0.354

Notes.

Abbreviations

GCS

Glasgow coma scale score

HR

heart rate

MAP

mean arterial pressure