Table 2.

Comparison of related indexes after operation between the two groups ($\overline{x}\pm s$).

Grouping	N	Ventilator assist time (min)	Drainage 24 hours after operation (ml)	ICU time (h)	Postoperative hospital stay (d)
Control group	50	14.54 ± 2.42	386.93 ± 26.23	44.93 ± 8.31	14.29 ± 2.12
Research group	50	8.82 ± 1.44	273.91 ± 25.33	27.39 ± 4.21	6.58 ± 1.22
t		14.362	21.916	13.313	22.288
P		<0.05	<0.05	<0.05	<0.05