Table 1 Patient demographics and clinical characteristics

Total

1635

1227

408

Gender

 Male

1189 (72.7)

893 (72.8)

296 (72.6)

 Female

446 (27.3)

334 (27.2)

112 (27.5)

Age (mean (SD))

51.72 (11.0)

51.62 (11.2)

52.027 (10.5)

Ethnic

 Han

1414 (86.5)

1064 (86.7)

350 (85.8)

 Others

221 (13.5)

163 (13.3)

58 (14.2)

Marital status

 Married

1507 (92.2)

1127 (91.9)

380 (93.1)

 Others

128 (7.8)

100 (8.2)

28 (6.9)

Occupation

 Worker/clerk

289 (17.7)

226 (18.4)

63 (15.4)

 Self-employed/unemployed

598 (36.6)

447 (36.4)

151 (37.0)

 Professional and technical Personnel

141 (8.6)

114 (9.3)

27 (6.6)

 Others

607 (37.1)

440 (35.9)

167 (40.9)

Stage

 I–II

262 (16.0)

203 (16.5)

59 (14.5)

 III

673 (41.2)

502 (40.9)

171 (41.9)

 IV

700 (42.8)

522 (42.5)

178 (43.6)

Pathological

 Non-keratinizing differentiation

953 (58.3)

720 (58.7)

233 (57.1)

 Non-keratinized undifferentiated

660 (40.4)

493 (40.2)

167 (40.9)

 Keratinized squamous cell carcinoma and others

22 (1.4)

14 (1.1)

8 (2.0)

Transfer

 No

1493 (91.3)

1119 (91.2)

374 (91.7)

 Yes

142 (8.7)

108 (8.8)

34 (8.3)

Radiotherapy

 No

681 (41.7)

502 (40.9)

179 (43.9)

 Yes

954 (58.4)

725 (59.1)

229 (56.1)

Chemical therapy

 No

622 (38.0)

455 (37.1)

167 (40.9)

 Yes

1013 (62.0)

772 (62.9)

241 (59.1)

Targeted therapy

 No

1197 (73.2)

887 (72.3)

310 (76.0)

 Yes

438 (26.8)

340 (27.7)

98 (24.0)

EBV

  < 1000

923 (56.5)

697 (56.8)

226 (55.4)

  ≥ 1000

712 (43.6)

530 (43.2)

182 (44.6)

BQ

  ≤ 0.13

178 (10.9)

134 (10.9)

44 (10.8)

  > 0.13

1457 (89.1)

1093 (89.1)

364 (89.2)

LAR

  ≤ 6.15

1438 (88.0)

1075 (87.6)

363 (89.0)

  > 6.15

197 (12.1)

152 (12.4)

45 (11.0)

NLR

  ≤ 4.84

1444 (88.3)

1086 (88.5)

358 (87.8)

  > 4.84

191 (11.7)

141 (11.5)

50 (12.3)

PLR

  ≤ 206.33

1290 (78.9)

972 (79.2)

318 (77.9)

  > 206.33

345 (21.1)

255 (20.8)

90 (22.1)