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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: J Thorac Oncol. 2015 Jan;10(1):110–115. doi: 10.1097/JTO.0000000000000385

Table 2.

Patient Characteristics (Stratified by Platinum Sensitivity Status)

Variables Overall (N=329)
Platinum Refractory (N=178) Platinum Sensitive (N=151)
Age, median (range) 61 (22–85) 64 (33–85)
Age ≥ 65 70 39% 73 48%
Male sex 102 57% 68 45%
Performance Status
0 53 30% 56 37%
1 124 70% 94 63%
Smoking Status
Never Smoker 2 1% 1 1%
Former Smoker 83 47% 76 50%
Current Smoker 64 36% 45 30%
Smoking status not reported 29 16% 29 19%
Weight Loss ≥ 5%* 50 29% 39 27%
Elevated LDH* 70 46% 52 39%
2 or more prior chemo regimens* 20 11% 16 11%
Prior RT 122 69% 132 87%
*

percentages are out of the number of patients with non-missing data