Table 1. Characterization of the study cohort.
| Feature | above 65 | below 65 | p-value |
|---|---|---|---|
| N | 145 | 133 | |
| Sex (% male) | 64 (44.1) | 67 (50.4) | 0.357 |
| Age [years] (mean (SD), min, max | 77.25 (6.32), 65.07, 92.94 | 49.69 (12.05), 19.55, 64.71 | <0.001 |
| BMI [kg/m2] (mean (SD)) | 26.10 (4.54) | 24.80 (4.44) | 0.016 |
| Smoker (%) | 0.058 | ||
| No | 85 (58.6) | 74 (55.6) | |
| Previous | 53 (36.6) | 42 (31.6) | |
| Yes | 7 (4.8) | 17 (12.8) |
BMI = Body Mass Index [kg/m2]. Differences in BMI and age were calculated using Welch’s t-test, differences in sex and smoking through Fisher’s exact test.