[Retracted] Clinical Study of Neuromuscular Electrical Stimulation in the Prevention of Deep Venous Thrombosis of Lower Extremities after Anterior Cruciate Ligament Reconstruction

Table 2

Baseline data distribution of each group of research subjects.

	Age (years)		Time from injury to operation (days)		Operation time (minutes)		24 hours postoperative drainage (ml)
	Test group	Control group	Test group	Control group	Test group	Control group	Test group	Control group
Mean	32.40	31.00	4.30	4.00	48.60	49.20	182.60	191.90
Standard deviation (s)	8.95	9.18	1.25	0.94	4.17	4.42	36.62	35.66
t-value	0.35		0.61		−0.31		−0.58
-value	0.73 > 0.05		0.55 > 0.05		0.75 > 0.05		0.57 > 0.05