Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic details of the study group
| Parameters | Group A | Group B |
|---|---|---|
| Age, mean±SD | 27.1±6.8 | 31.0±7.3 |
| Duration of illness, mean±SD | 3.7±2.9 | 3.8±2.4 |
| Positive family history (%) | 13 (50) | 11 (39.3) |
| Norwood–Hamilton grade (%) | ||
| Grade 2 | 7 (26.9) | 15 (53.6) |
| Grade 3 | 12 (46.1) | 8 (28.6) |
| Grade 4 | 7 (26.9) | 5 (17.9) |
SD – Standard deviation
