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. 2016 Aug 13;2(4):223–233. doi: 10.1002/cjp2.51

Table 1.

Patient and tumour characteristics of the non‐small cell lung cancer cohort. PY = pack years

Frequencies (n = 635)
Gender
Male 363 (57.2%)
Female 272 (42.8%)
Median age at surgery (years, range) 64 (30–84)
Neo‐adjuvant therapy
Chemotherapy 25 (3.9%)
Concurrent chemo radiotherapy 14 (2.2%)
Sequential chemo radiotherapy 3 (0.5%)
Erlotinib [52] 31 (4.9%)
Radiotherapy 3 (0.5%)
No adjuvant therapy 532 (84.8%)
Smoking
Light smokers <10 PY 48 (7.6%)
Heavy smokers ≥10 PY 497 (78.3%)
Unknown 90 (14.2%)
Packyears (median, range) 38 (0–150)
Histology
Adenocarcinoma 329 (51.8%)
Squamous cell carcinoma 278 (43.8%)
Large cell carcinoma 28 (4.4%)
Tumour stage at resection
Tis 1 (0.2%)
Stage I 352 (55.4%)
Stage II 181 (28.5%)
Stage III 82 (12.9%)
Stage IV 17 (2.7%)
Unknown 2 (0.3%)
Median overall survival (months, range) 49.0 (0–289)