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Table 1 Baseline characteristics of patients with lung adenocarcinoma in the training cohort

From: Identification and validation of an immune cell infiltrating score predicting survival in patients with lung adenocarcinoma

Variable Baseline characteristics (n = 751)
Affymetrix® platform
 HG-U133 Plus 2.0 (GPL570) 313 (41.7)
 HG-U133A (GPL96) 438 (58.3)
Age 64.6 ± 10.0
Sex
 Male 394 (52.5)
 Female 357 (47.5)
Tumor stage
 Stage I 515 (68.6)
 Stage II–III 232 (30.9)
 Stage IV 4 (0.5)
Smoking status
 Current smoker 67 (8.9)
 Ex-smoker 322 (42.9)
 Non-smoker 71 (9.5)
 Unknown 291 (38.7)
Adjuvant chemotherapy
 Yes 102 (13.6)
 No 377 (50.2)
 Unknown 272 (36.2)
  1. Continuous data (age) was presented as mean ± standard deviation and categorical data as number (proportion of that the subgroup accounted for the whole group)