The distribution of homozygotes for the Cys282Tyr mutation with respect to elevations of serum collagen level to greater than 187 ng/mL
| Frequency of alcohol intake . | Serum collagen IV level normal (%) . | Serum collagen IV level elevated (%) . |
|---|---|---|
| Never/hardly ever | 50 (56) | 15 (41) |
| Less than 3 times/week | 26 (29) | 6 (16) |
| More than 3 times/week | 4 (4) | 10 (28) |
| Daily | 9 (10) | 5 (14) |
| Frequency of alcohol intake . | Serum collagen IV level normal (%) . | Serum collagen IV level elevated (%) . |
|---|---|---|
| Never/hardly ever | 50 (56) | 15 (41) |
| Less than 3 times/week | 26 (29) | 6 (16) |
| More than 3 times/week | 4 (4) | 10 (28) |
| Daily | 9 (10) | 5 (14) |