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Table 1 Comparison of clinical characteristics between groups

From: A comparison of cervical delta-shaped anastomosis and circular stapled anastomosis after esophagectomy

Characteristics CSA (n = 42) DSA (n = 39) Statistics P value
Age 57.9 ± 8.2 61.0 ± 8.9 t = 1.386 0.171
Sex (male/female) 26/16 30/9 χ 2 = 2.138 0.158
BMI 21.5 ± 3.5 22.8 ± 3.3 t = −1.424 0.159
Diabetes 2 (4.8) 0 (0)   0.494a
Hypertension 5 (11.9) 5 (12.8)   1 a
Coronary artery disease 2 (4.8) 2 (5.1)   1 a
Pathologic stage     
 I 12 (28.6) 13 (33.3)   0.784 a
 II 16 (38.1) 12 (30.8)   
 III 14 (33.3) 13 (33.3)   
 IV 0 (0) 1 (2.6)   
Location of tumour     
 Upper 12 (28.6) 6 (15.4)   0.383 a
 Middle 24 (57.1) 27 (69.2)   
 Lower 6 (14.3) 6 (15.4)   
Surgical approach     
 MIE 24 (57.1) 28 (71.8) χ 2 = 1.889 0.246
 Open 18 (42.9) 11 (28.2)   
Neoadjuvant chemotherapy 7 (16.7) 5 (12.8) χ 2 = 0.152 0.762
  1. All values in parentheses denote the percentage
  2. BMI body mass index (kg/m2), MIE minimally invasive esophagectomy
  3. aAnalysed by Fisher’s exact test