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

Table 3

Comparison of pain scores between the two groups.

	N	1 day after operation	3 days after operation	Difference	t
Observation group	60	3.88 ± 0.90	1.83 ± 0.74	−2.05 ± 1.08	14.700	<0.001
Experimental group	60	3.75 ± 0.89	1.22 ± 0.67	−2.53 ± 0.96	20.336	<0.001