Effect of totally thoracoscopic esophagectomy on postoperative complications and serum inflammatory factors in patients with early esophageal cancer

Table 1 Baseline data of the two patient groups, n (%)

Indicators	Control group (n = 55)	Research group (n = 58)	χ2/t	P value
Sex	-	-	0.658	0.417
Male	30 (54.55)	36 (62.07)	-	-
Female	25 (45.45)	22 (37.93)	-	-
Age (year), mean ± SD	45.53 ± 6.98	46.31 ± 7.44	0.574	0.567
BMI (kg/m2), mean ± SD	22.04 ± 1.45	21.64 ± 1.72	1.333	0.185
Lesion diameter (cm), mean ± SD	2.20 ± 0.59	2.12 ± 0.88	0.564	0.574
Place of residence	-	-	0.404	0.525
Urban	40 (72.73)	39 (67.24)	-	-
Rural	15 (27.27)	19 (32.76)	-	-

BMI: Body mass index.

Table 2 Surgery-related indexes of the two patient groups, mean ± SD

Indicators	Control group (n = 55)	Research group (n = 58)	χ2/t	P value
Incision length (cm)	19.02 ± 6.62	12.83 ± 2.12	6.766	< 0.001
Operation duration (minute)	300.95 ± 28.01	322.41 ± 30	3.925	< 0.001
Number of dissected lymph nodes (n)	28.62 ± 4.32	27.36 ± 5.71	1.317	0.190
Extent of lymph node dissection, n (%)
Superior mediastinal lymph node stations	55 (100)	58 (100)	-	-
Celiac lymph node stations	49 (89.09)	51 (87.93)	0.037	0.847

Table 3 Postoperative complications of the two patient groups, n (%)

Indicators	Control group (n = 55)	Research group (n = 58)	χ2	P value
Empyema (IIIb)	6 (10.91)	2 (3.45)	-	-
Pulmonary infection (II)	3 (5.45)	2 (3.45)	-	-
Incision infection (II)	5 (9.09)	1 (1.72)	-	-
Anastomotic fistula (IIIa)	6 (10.91)	3 (5.17)	-	-
Delayed gastric emptying (IIIb)	3 (5.45)	1 (1.72)	-	-
Total	23 (41.82)	9 (15.52)	9.620	0.002

Table 4 Postoperative pain and hospitalization duration of the two groups of patients

Indicators	Control group (n = 55)	Research group (n = 58)	t	P value
NRS (points)
Before surgery	5.35 ± 2.00	5.24 ± 1.94	0.297	0.767
On the third day after operation	2.35 ± 1.00a	1.59 ± 0.68b	4.746	< 0.001
Postoperative hospitalization duration (day)	14.56 ± 2.92	13.29 ± 2.99	2.283	0.024

^aP < 0.05.

^bP < 0.01 vs preoperative value.

NRS: Numerical Rating Scale.