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

Table 1

Comparison of general data (n (%)).

	Control group (n = 45)	Experimental group (n = 45)	t/X^2
Gender			0.185	0.667
Male	28	26
Female	17	19
Age (years)	40–72	41–73
Mean age (years)	60.72 ± 3.54	60.82 ± 3.59	−0.133	0.894
Tumor sites			0.067	0.796
Upper segment	12	13
Middle segment	19	18
Lower segment	14	14
Pathological types			0.072	0.788
Adenocarcinoma	16	18
Squamous carcinoma	17	16
Adenosquamous carcinoma	12	11
TNM staging			0.065	0.799
Stage I	12	11
Stage II	23	24
Stage III	10	10