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Table 1 Comparison of patient characteristics

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) Group E (≥ 70 years) p value
n % n %  
Sex Male 150 56.2 111 58.4 0.701
Female 117 43.8 79 41.6
Age 58.18 ± 8.86 76.43 ± 4.35 0.001
BMI 26.2 ± 5.72 25.9 ± 4.90 0.700
ASA score 1–2 177 68.3 71 38.6 0.001
3–4 82 31.7 113 61.4
Tumor localization (third) Upper 1/3 51 19.1 26 16.8 0.147
Middle 1/3 119 44.6 80 42.1
Lower 1/3 97 36.3 84 44.2
Gastrectomy Total 83 31.1 47 24.7 0.143
Subtotal 184 68.9 143 75.3
Lymphanodectomy D1 13 5.0 18 9.8 0.059
D2 246 95.0 165 90.2
Multivisceral surgery Yes 19 7.3 15 8.2 0.721
No 241 92.7 168 91.8
Tumor invasion T1a 64 24.0 35 18.4 0.217
T1b 63 23.6 56 29.5
T2 140 52.4 99 52.1
Lymph node metastasis Yes 101 37.8 74 38,9 0.845
No 166 62.2 116 61,1
N categories N0 166 62.2 116 61.1 0.778
N1 65 24.3 49 25.8
N2 19 7.1 17 8.9
N3 17 6.3 8 4.3
Distant metastasis Yes 5 1.9 3 1.6 0.999
No 262 98.1 187 98.4
Lauren classification Diffuse 112 42.3 17 21.8 0.001
Mix 31 11.7 6 8.9
Intestinal 121 45.8 63 69.3
Tumor differentiation grade G1 27 10.1 25 13.2 0.001
G2 69 25.8 84 44.2
G3 171 64.0 81 42.6
Tumor size < 2 cm 88 34.2 56 30.6 0.471
≥ 2 cm 169 65.8 127 69.4