[Retracted] Nursing Methods and Experience of Local Anesthesia Patients under Arthroscope

Table 4

Comparison of postoperative pain, swelling, and knee HSS score between the two groups.

Comparison items	Automatic circulation system of compression cold therapy group	Ice treatment group	Statistic	value
Postoperative 24 h VAS	2. 75 ± 1.48	3. 59 ± 1. 27	= -2.449	0.017
Postoperative 48 h VAS	1.06 ± 1.67	1.88 ± 1.13	= -2.174	0.027
Swelling 24 h after surgery (cm)	2.28 ± 0.88	3. 21 ± 1.23	= -3.453	0.001
Swelling 48 h after surgery (cm)	1.60 ± 0. 83	2. 36 ± 1.14	= -3.035	0.004
Postoperative HSS score	78. 65 ± 9. 10	73. 84 ± 13. 13	=1.704	0.093