Table 1 Baseline Characteristics of the Study Population Classified by nutritional status

 Gender,male

1778(65.3%)

1197(64.1%)

581(67.7%)

0.076

 Age,years

71.0(5.36)

70.6(5.15)

71.9(5.68)

< 0.001

 Height,cm

163(8.05)

163(8.14)

163(7.86)

0.135

 Weight,kg

59.7(10.8)

61.2(10.6)

56.3(10.6)

< 0.001

 BMI,kg/m²

22.5(3.53)

23.1(3.41)

21.1(3.40)

< 0.001

   < 18.5

349 (12.8%)

155 (8.31%)

194 (22.6%)

  18.5 ~ 24

1478 (54.3%)

979 (52.5%)

499 (58.2%)

< 0.001

   > 24

897 (32.9%)

732 (39.2%)

165 (19.2%)

 CC,cm

32.5(4.12)

33.1(4.01)

31.3(4.12)

< 0.001

 HGS,kg

22.5(9.24)

23.4(8.91)

20.5(9.63)

< 0.001

 Chronic Disease,yes

126(4.63%)

80(4.29%)

46(5.36%)

0.254

  Never

1421(52.2%)

976(52.3%)

445(51.9%)

0.18

  Now

900(33.0%)

629(33.7%)

271(31.6%)

  Used

403(14.8%)

261(14.0%)

142(16.6%)

 Alcohol,yes

547(20.1%)

366(19.6%)

181(21.1%)

0.398

  Lung cancer

791(29.0%)

593(31.8%)

198(23.1%)

< 0.001

  Digestive system cancer

1245(45.7%)

738(39.5%)

507(59.1%)

  Others^a

688(25.3%)

535(28.7%)

153(17.8%)

  I

298(10.9%)

243(13.0%)

55(6.41%)

< 0.001

  II

642(23.6%)

467(25.0%)

175(20.4%)

  III

667(24.5%)

453(24.3%)

214(24.9%)

  IV

1117(41.0%)

703(37.7%)

414(48.3%)

  Never

978(35.9%)

642(34.4%)

336(39.2%)

0.015

  Used

1025(37.6%)

734(39.3%)

291(33.9%)

  Prepare

721(26.5%)

490(26.3%)

231(26.9%)

 Radiotherapy,yes

417(15.3%)

279(15.0%)

138(16.1%)

0.481

 Chemotherapy,yes

1455(53.4%)

1044(55.9%)

411(47.9%)

< 0.001

 Immunotherapy,yes

133(4.88%)

103(5.52%)

30(3.50%)

0.029

 Creatinine,μmol/L

74.5(33.9)

74.3(33.6)

74.9(34.6)

0.647

 A/G

1.34(0.33)

1.38(0.33)

1.25(0.31)

< 0.001

 NLR ≥ 3

1173(43.1%)

694(37.2%)

479(55.8%)

< 0.001

 KPS,> 70

456(16.7%)

163(8.74%)

293(34.1%)

< 0.001