Table 1 Comparison of clinical features between the severe weight loss and moderate weight loss groups

Age (years)*

68 (50–82)

66 (27–80)

0.15^a

Gender (%)

0.93^b

 Male

57 (88%)

220 (87%)

 Female

8 (12%)

32 (13%)

Location of tumor

0.21^b

 Ut/Mt/Lt

8/29/28

53/110/89

Clinical depth of tumor invasion

0.11^b

 cT1/T2/T3/T4

20/23/22/0

101/55/93/3

Clinical lymph node metastasis

0.42^b

 cN0/N1/N2/N3

25/32/7/0

125/102/25/1

Preoperative therapy (+)

42 (65%)

159 (63%)

0.82^b

pathological depth of tumor invasion

0.65^b

 pT1/T2/T3/T4

33/9/21/2

137/24/87/4

Pathological lymph node metastasis

0.98^b

 pN0/N1/N2/N3

31/22/8/4

124/79/32/17

Residual tumor

0.16^b

 R0/R1/R2

57/8/0

226/20/6

Placement of FJT (+)

39 (60%)

145 (54%)

0.71^b

Preoperative body weight (kg)*

57 (40–85)

56 (32–83)

0.27^a

Anastomotic leakage** (+)

5 (7.7%)

30 (12%)

0.32^b

Pulmonary complication** (+)

4 (6.2%)

14 (5.6%)

0.85^b

Recurrent nerve palsy** (+)

3 (4.6%)

10 (4.0%)

0.81^b