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.
Sociodemographic features of patients with sickle cell disease
| AVN group | Non-AVN group | p value | |
|---|---|---|---|
| Mean age (y) | 23.7 (±4.9) | 21.6 (±5.2) | 0.68 |
| Hb genotype | |||
| SS | 20 (82%) | 21 (80.3%) | |
| SC | 5 (18%) | 5 (19.7%) | |
| Ficat and Arlet stage of AVN | |||
| I | 1 | ||
| II | 7 | ||
| III | 4 | ||
| IV | 13 | ||
| Mean frequency of crises per year | 5.8±1.6 | 2.1±1.3 | 0.03 |
| Mean admissions per year | 6.2±2.3 | 1.8±1.5 | 0.002 |
