Table 2. Subject’s demographics. M and F are abbreviations for male and female, respectively. W, AA and A stand for White, African American and Asian, respectively. OD and OS are right and left eye, respectively. SS, SC, and Sβ are abbreviations for sickle cell genotype HbS/HbS, HbS/HbC, and HbS/beta thalassemia, respectively. Bold indicates statistical significance.
| Perifoveal | Parafoveal | |||||
|---|---|---|---|---|---|---|
| NC (N=12) | SCR (N=29) | P-value | NC (N=5) | SCR (N=5) | P-value | |
| Sex (M/F) | 7/5 | 6/23 | 0.03a | 3/2 | 2/3 | 0.9a |
| Race (W/AA/A) | 11/0/1 | 0/29/0 | <0.001a | 4/0/1 | 0/5/0 | 0.008a |
| Eye (OD/OS) | 7/5 | 15/14 | 0.7a | 1/4 | 3/2 | 0.5a |
| Age (years) | 37±12 | 35±14 | 0.3b | 41±10 | 48±12 | 0.2b |
| SCR Type (SS/SC/Sβ) | 17/9/3 | 2/2/1 | ||||
| SCD Stage (O/I/II/III/IV) | 1/1/19/7/1 | 0/0/3/1/1 | ||||
P value determined by Chi-square (a) or t-test (b).