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Subject Characteristics
| Parameter | Stratum 2 | Stratum 3 | Stratum 4 |
|---|---|---|---|
| Number | 15 | 41 | 20 |
| Gender (M/F) | 9/6 | 19/22 | 9/11 |
| Age (years) | 62(10) | 65(8) | 64(7) |
| Height (cm) | 174(10) | 168(10) | 166(11) |
| Weight (kg) | 86(20) | 83(17) | 74(15) |
| BMI (kg/cm2) | 28(5) | 29(5) | 27(3) |
| Pack-years | 42(18) | 51(18) | 52(16) |
Values are mean(std).
