Characteristics of patients and control subjects
. | Overall . | . | Younger than 50 y . | . | ||
|---|---|---|---|---|---|---|
| Characteristic . | Patients . | Control subjects . | Patients . | Control subjects . | ||
| N | 560 | 646 | 154 | 160 | ||
| Mean age, y (SD) | 56.2 (9.0) | 57.3 (10.8) | 44.4 (4.2) | 42.5 (6.9) | ||
| Smoking tobacco use, no. (%) | ||||||
| No | 211 (37.7) | 431 (67.7) | 35 (22.7) | 94 (58.8) | ||
| Yes | 349 (62.3) | 215 (33.3)* | 119 (77.3) | 66 (41.3)* | ||
| Alcohol use, no. (%) | ||||||
| Never | 86 (15.4) | 64 (9.9) | 13 (8.4) | 15 (9.4) | ||
| Occasionally | 24 (4.3) | 21 (3.3) | 4 (2.6) | 5 (3.1) | ||
| Regularly | 450 (80.4) | 561 (86.6)* | 137 (89.0) | 140 (87.5) | ||
| Quetelet index,†no. (%) | ||||||
| Less than 20 kg/m2 | 5 (0.9) | 10 (1.6) | 3 (1.9) | 4 (2.5) | ||
| Between 20 and 25 kg/m2 | 153 (27.4) | 186 (28.8) | 37 (24.0) | 57 (35.6) | ||
| Between 25 and 30 kg/m2 | 305 (54.6) | 343 (53.2) | 80 (51.9) | 78 (48.8) | ||
| At least 30 kg/m2 | 96 (17.2) | 106 (16.4) | 34 (22.1) | 21 (13.1)* | ||
| Diabetes, no. (%) | ||||||
| Absent | 534 (95.4) | 624 (96.6) | 147 (95.5) | 157 (98.1) | ||
| Present | 26 (4.6) | 22 (3.4) | 7 (4.5) | 3 (1.9) | ||
| Hypertension, no. (%) | ||||||
| Absent | 454 (81.1) | 539 (83.4) | 143 (92.9) | 153 (95.6) | ||
| Present | 106 (18.9) | 107 (16.6) | 11 (7.1) | 7 (4.4) | ||
| Hypercholesterolemia, no. (%) | ||||||
| Absent | 548 (97.9) | 635 (98.3) | 151 (98.1) | 159 (99.4) | ||
| Present | 12 (2.1) | 11 (1.7) | 3 (1.9) | 1 (0.6) | ||
. | Overall . | . | Younger than 50 y . | . | ||
|---|---|---|---|---|---|---|
| Characteristic . | Patients . | Control subjects . | Patients . | Control subjects . | ||
| N | 560 | 646 | 154 | 160 | ||
| Mean age, y (SD) | 56.2 (9.0) | 57.3 (10.8) | 44.4 (4.2) | 42.5 (6.9) | ||
| Smoking tobacco use, no. (%) | ||||||
| No | 211 (37.7) | 431 (67.7) | 35 (22.7) | 94 (58.8) | ||
| Yes | 349 (62.3) | 215 (33.3)* | 119 (77.3) | 66 (41.3)* | ||
| Alcohol use, no. (%) | ||||||
| Never | 86 (15.4) | 64 (9.9) | 13 (8.4) | 15 (9.4) | ||
| Occasionally | 24 (4.3) | 21 (3.3) | 4 (2.6) | 5 (3.1) | ||
| Regularly | 450 (80.4) | 561 (86.6)* | 137 (89.0) | 140 (87.5) | ||
| Quetelet index,†no. (%) | ||||||
| Less than 20 kg/m2 | 5 (0.9) | 10 (1.6) | 3 (1.9) | 4 (2.5) | ||
| Between 20 and 25 kg/m2 | 153 (27.4) | 186 (28.8) | 37 (24.0) | 57 (35.6) | ||
| Between 25 and 30 kg/m2 | 305 (54.6) | 343 (53.2) | 80 (51.9) | 78 (48.8) | ||
| At least 30 kg/m2 | 96 (17.2) | 106 (16.4) | 34 (22.1) | 21 (13.1)* | ||
| Diabetes, no. (%) | ||||||
| Absent | 534 (95.4) | 624 (96.6) | 147 (95.5) | 157 (98.1) | ||
| Present | 26 (4.6) | 22 (3.4) | 7 (4.5) | 3 (1.9) | ||
| Hypertension, no. (%) | ||||||
| Absent | 454 (81.1) | 539 (83.4) | 143 (92.9) | 153 (95.6) | ||
| Present | 106 (18.9) | 107 (16.6) | 11 (7.1) | 7 (4.4) | ||
| Hypercholesterolemia, no. (%) | ||||||
| Absent | 548 (97.9) | 635 (98.3) | 151 (98.1) | 159 (99.4) | ||
| Present | 12 (2.1) | 11 (1.7) | 3 (1.9) | 1 (0.6) | ||