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. 2023 Feb 16;20(4):3451. doi: 10.3390/ijerph20043451

Table 3.

Retinopathy− screening data from 3/2017–3/2021.

Routine Eye Exams Non-Routine Eye Exams p Value
Total (n = 216) 87 (40.3%) 129 (59.7%)
Avg, Median Age (years)
Range
32.8, 31.0
18–65
33.6, 29.0
18–73
0.63 *
Female % 58.6% 55.0% 0.68
SS (n = 180) 68 (37.8%) 112 (62.2%) 0.098
SC (n = 36) 19 (52.8%) 17 (47.2%)

Routine eye exams are defined as at least one screening DFE every 2 years. Non-routine eye exams are defined as patients with screening DFE only once during the study period or at least once but fewer than every 2 years during the study period. * p-value was obtained by two-tailed Welch’s t-test. The p-value from Mann–Whitney U test was 0.75.  p-value was obtained by Fisher’s exact test comparing sex/genotype distribution among patients with routine screening eye exams and patients with non-routine screening eye exams.