Table 1.
Baseline characteristics
| Characteristics | Main analyses |
All cancer deaths (n = 1,088) |
Lung cancer deaths |
Other deaths |
No death | p-value |
|---|---|---|---|---|---|---|
| (n = 55,943) | (n = 231) | (n = 2,601) | (n = 53,111) | |||
| Age, mean (SD) in years | 57.1 (8.6) | 64.5 (9.1) | 63.9 (8.9) | 65.8 (9.9) | 53.1 (8.3) | 0.0001 |
| Sex | ||||||
| Men | 65.1 | 65.2 | 66.2 | 66.9 | 65.0 | 0.133 |
| Women | 34.9 | 34.8 | 33.8 | 33,1 | 35.0 | |
| Ethnicity | ||||||
| White | 89.6 | 92.5 | 91.4 | 87.7 | 89.7 | 0.000 |
| Asian | 3.6 | 2.6 | 4.0 | 2.4 | 3.6 | |
| Black | 2.2 | 2.6 | 2.0 | 4.8 | 2.1 | |
| Hispanic | 2.9 | 1.7 | 2.0 | 4.3 | 2.9 | |
| Family history for CHD | 45.2 | 40.2 | 39.8 | 40.9 | 45.4 | 0.000 |
| Hypertension | 33.3 | 40.9 | 40.7 | 48.5 | 32.6 | 0.000 |
| Dyslipidemia | 55.4 | 55.7 | 56.7 | 58.7 | 55.4 | 0.004 |
| Diabetes | 7.4 | 12.3 | 10.4 | 16.0 | 7.0 | 0.000 |
| Body Mass Index, mean (SD) | 27.5 (5.3) | 27.3 (5.2) | 26.5 (4.7) | 27.5 (5.7) | 29.6 (5.2) | 0.055 |
| Current smoker | 9.3 | 13.2 | 24.7 | 12.0 | 9.1 | 0.000 |
| Mean CAC (SD) | 187.7 (506.7) | 411.3 (818.0) | 464.2 (904.1) | 566.8 (970.7) | 168.0 (461.6) | 0.0001 |
| CAC = 0 | 39.3 | 24.7 | 22.9 | 17.4 | 40.4 | 0.002 |
| CAC 1-99 | 32.5 | 28.3 | 24.2 | 25.7 | 32.9 | |
| CAC 100-399 | 15.6 | 21.9 | 24.7 | 21,7 | 15.3 | |
| CAC ≥400 | 12.7 | 25.1 | 28.2 | 35.3 | 11.5 |
Patients aged 44-84 years.
Values are column percentages (%) or as indicated. CAC = coronary artery calcium score. CHD = coronary heart disease. SD = standard deviation.
p-values represent categorial comparisons for lung cancer deaths vs. other deaths vs. no death.