Table 3 Comparison of demographic and tumor characteristics based on the number of NLNs removed

Age (year) (mean ± SD)

61.26 ± 10.56

59.1 ± 11.61

60.18 ± 11.23

BMI (Kg/m²)

20.1 ± 3.12

22.8 ± 3.21

25.11 ± 3.27

Median survival (Month)

36.21 ± 11.2

49.1 ± 9.16

87.3 ± 11.3

Five- survival rat

37(23.9%)

109(47.2)%

165(65.2%)

Five- Recurrence rate

123(79.4%)

118(51.1%)

78(30.8%)

Median recurrence (Month)

19.5 ± 8.6

31.8 ± 10.5

51.5 ± 10.9

Sex

• Male

• Female

78(50.3%)

77(49.7%)

129(55.8%)

102(44.2%)

131(52.9%)

122(47.1%)

Marital status

• Unmarried

• Married

10(6.5%)

145(93.7%)

12(5.2%)

219(94.8%)

15(5.9%)

238(94.1%)

Smoking status

• Yes

• NO

70(49%)

85(51%)

99(42.9%)

132(57.1%)

146(43.1%)

193(56.9%)

Education

• Illiterate

• < Diploma

• >=Diploma

25(16.1%)

64(41.3%)

66(57.4%)

35(15.2%)

99(42.9%)

97(41.9%)

39(20.2%)

101(39.9%)

101(39.9%)

Family history of GC

• Yes

• No

62(40%)

93(60%)

98(42.4%)

133(57.6%)

100(39.5%)

153(60.5%)

Tumor Location

• Cardia

• Fundus

• Antrum

• Missing

49(31.6%)

47(30.3%)

25(16.2%)

343(21.9%)

94(40.7%)

68(29.4%)

31(13.4%)

38(16.5%)

117(46.4%)

72(28.4%)

53(20.9%)

11(4.3%)

Tumor Type

• Adenoma carcinoma

• Lymphoma

• Other & Unknown

83(53.5%)

20(12.9%)

52 (33.6%)

116(50.2%)

25(10.8%)

90(39%)

109(56.9%)

15(5.9%)

94(37.2%)

Metastasis

• Yes

• No

62(40%)

93(60%)

78(33.7%)

153(66.3%)

69(27.3%)

184(72.7%)

Tumor size (cm)

• ≤ 5

• > 5

• Unknown

70(45.1%)

74(47.7%)

11(7.2%)

94(40.7%)

111(48.1%)

26(11.2%)

101(39.9%)

125(49.4%)

27(10.7%)

Tumor stage

• T1

• T2

• T3

• Unknown

32(20.6%)

48(31%)

40(25.8%)

35(22.6%)

43(18.6%)

69(29.8%)

81(35.1%)

38 (16.5%)

53(20.9%)

90(35.6%)

31(12.3%)

79(31.2%)

Differentiation grade

• Well

• Moderate

• Poor

• Unknown

43(27.7%)

50(32.3%)

20(12.9%)

42(27.1%)

85(36.8%)

70(30.3%)

35(15.2%)

41(17.7%)

121(47.8%)

70(27.6%)

22(8.9%)

40(15.7%)