The Effect of Preoperative Rehabilitation Training on the Early Recovery of Joint Function after Artificial Total Knee Arthroplasty and Its Effect Evaluation

Table 2

Statistical analysis of the indicators of the study.

	Total (n = 120)	Observation group (n = 60)	Experimental group (n = 60)	t/x^2
Getting out of bed for the first time after operation	61.63 ± 21.54	78.33 ± 13.52	44.93 ± 13.63	13.477	<0.001
Pain 1 day after operation	3.82 ± 0.90	3.88 ± 0.90	3.75 ± 0.89	0.812	0.418
Pain after 3 days	1.52 ± 0.77	1.83 ± 0.74	1.22 ± 0.67	4.796	<0.001
Satisfaction (score)	90.40 ± 4.22	88.30 ± 3.61	92.50 ± 3.73	−6.264	<0.001
Hospitalization days	8.66 ± 3.13	8.38 ± 2.62	8.93 ± 3.57	−0.961	0.339
Therapeutic effects				0.076	0.783
Improvement	15 (12.50)	7 (11.67)	8 (13.33)
Cure	105 (87.50)	53 (88.33)	52 (86.67)