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. 2019 Dec 16;19(2):1559–1566. doi: 10.3892/ol.2019.11220

Table II.

Patient characteristics.

Parameter Training dataset Validation dataset Whole dataset
Sex
  Males 29 (83%) 19 (79%) 48 (81%)
  Females 6 (17%) 5 (21%) 11 (19%)
Age
  Median 71 65 69
  Mean +/- s.d. 68 +/- 8 67 +/- 11 67 +/- 10
Stage
  IIIB 8 (23%) 6 (25%) 14 (24%)
  IV 27 (77%) 18 (75%) 45 (76%)
Histology
  Adenocarcinoma 23 (66%) 13 (54%) 36 (61%)
  Squamous cell 7 (20%) 11 (46%) 18 (30.5%)
  Not specified 5 (14%) 5 (8.5%)
PFS
  Progression 22 (63%) 15 (62%) 37 (62%)
  No progression 13 (37%) 9 (38%) 22 (38%)
OS
  Dead 15 (43%) 12 (50%) 27 (45%)
  Alive 20 (57%) 12 (50%) 32 (55%)

PFS, progression free survival; OS, overall survival.