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Table 3 Univariate analysis of risk factors for postoperative complications in NE and E groups

From: Surgical treatment outcomes of patients with T1-T2 gastric cancer: does the age matter when excellent treatment results are expected?

   Group NE (< 70 years) % p value Group E (≥ 70 years) % p value
Sex Male 30/150 20.8 0.879 30/111 27.0 0.999
Female 25/117 21.4 21/79 26.6
BMI < 30 30/130 23.1 0.999 9/30 30.0 0.814
≥ 30 11/47 23.4 24/91 26.4
ASA score 1–2 33/177 18.6 0.144 11/71 15.5 0.006
3–4 22/82 26.8 39/113 34.5
Gastrectomy Total 22/83 26.5 0.141 19/47 40.4 0.022
Subtotal 33/184 17.9 32/143 22.4
Tumor localization (third) Upper 1/3 15/51 29.4 0.077 11/26 42.3 0.157
Middle 1/3 24/119 20.2   19/80 23.8
Lower 1/3 16/97 16.5   21/84 25.0
Multivisceral surgery Yes 2/19 10.5 0.381 8/15 53.3 0.031
No 53/241 22.0 42/168 25.0
Lympha-nodectomy D1 5/13 38.5 0.157 5/18 27.8 0.999
D2 50/246 20.3 46/165 27.9
Retrieved lymph nodes (LN) ≤ 15 LN 16/52 30.8 0.058 17/61 27.9 0.860
> 15 LN 39/211 18.5 33/127 26.0