[Retracted] Clinical Effect and Postoperative Pain of Laparo-Thoracoscopic Esophagectomy in Patients with Esophageal Cancer

Table 2

Comparison of surgery-related indicators ().

Indicator	Control group (n = 45)	Experimental group (n = 45)	t
Operation time (min)	389.47 ± 29.72	253.41 ± 31.59	21.044	<0.001
Intraoperative blood loss (mL)	490.68 ± 28.57	291.17 ± 21.32	37.543	<0.001
Number of lymph node dissection (pieces)	28.18 ± 4.52	27.96 ± 4.27	0.237	0.813
Postoperative drainage (mL)	504.71 ± 70.44	332.69 ± 83.15	10.589	<0.001
Postoperative length of stay (d)	14.12 ± 2.48	9.37 ± 1.35	11.285	<0.001