A Cross-Sectional Study on the Application of IS in Perioperative Pulmonary Function Training in Spine and Orthopedics

Table 4

Length of hospitalization, hospitalization cost, and pain score before and after surgery of the two groups of patients (t-test and chi-square test).

Whole group n = 67	Traditional pulmonary training group n = 32	IS-enhanced pulmonary training group n = 35	F value	value
Length of preoperative hospital stay	15.72 ± 9.65	11.34 ± 4.65	12.96	0.024
Length of postoperative hospital stay	12.13 ± 7.07	9.37 ± 2.53	24.24	0.044
Total length in hospital	27.78 ± 14.65	20.66 ± 5.93	17.81	0.014
Postoperative pain score			8.107	.006
Day 1	2.09 ± 0.86	1.77 ± 0.65	3.060	0.085
Day 2	1.41 ± 0.71	0.77 ± 0.65	14.65	0.000
Day 5	0.28 ± 0.46	0.11 ± 0.32	3.026	0.087
Cost	21.12 ± 4.87	19.68 ± 2.69	7.49	0.148