Table II.
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.