Research Article
Prevalence of Stroke in Individuals with Sickle Cell Disease Pre- and during Hydroxyurea Uses: A Descriptive Cross-Sectional Study in Tanzania
Table 3
Pattern of stroke pre- and during HU use among SCD patients in relation to their demographic characteristics.
| | Variables | Stroke pre-HU use n (%) | Stroke during HU use n (%) | Stroke pre- and during HU use n (%) | | No | Yes | No | Yes | No | Yes |
| | Age category (years), n = 228 | | 0–5 | 53 (94.6) | 3 (5.4) | 55 (98.2) | 1 (1.8) | 56 (100) | 0 (0.0) | | 6–12 | 96 (88.1) | 13 (11.9) | 108 (99.1) | 1 (0.9) | 109 (100) | 0 (0.0) | | >12 | 51 (81.0) | 12 (19.0) | 59 (93.7) | 4 (6.3) | 60 (95.2) | 3 (4.8) | | Sex, n = 228 | | Female | 110 (88.7) | 14 (11.3) | 121 (97.6) | 3 (2.4) | 123 (99.2) | 1 (0.8) | | Male | 90 (86.5) | 14 (13.5) | 101 (97.1) | 3 (2.9) | 102 (98.1) | 2 (1.9) | | Education level (n = 228) | | Primary | 158 (87.3) | 23 (12.3) | 176 (97.2) | 5 (2.8) | 178 (98.3) | 3 (1.7) | | Secondary | 33 (89.2) | 4 (10.8) | 36 (97.3) | 1 (2.7) | 37 (100) | 0 (0.0) | | Tertiary | 9 (90.0) | 1 (0.0) | 10 (100) | 0 (0.0) | 10 (100) | 0 (0.0) | | Occupation (n = 220) | | Unemployed | 186 (89.0) | 23 (11.0) | 204 (97.6) | 5 (2.4) | 207 (99.0) | 2 (1.0) | | Self-employed | 6 (75.0) | 2 (25.0) | 8 (100) | 0 (0.0) | 8 (100) | 0 (0.0) | | Employed | 2 (66.7) | 1 (33.3) | 3 (100) | 0 (0.0) | 3 (100) | 0 (0.0) | | Age at diagnosis category (n = 228) | | 0–5 | 151 (87.8) | 21 (12.2) | 166 (96.5) | 6 (3.5) | 169 (98.3) | 3 (1.7) | | 6–12 | 40 (85.1) | 7 (14.9) | 47 (100) | 0 (0.0) | 47 (100) | 0 (0.0) | | >12 | 9 (100) | 0 (0.0) | 9 (100) | 0 (0.0) | 9 (100) | 0 (0.0) | | Dosage of HU used per week (mg) | | <3500 | 56 (93.3) | 4 (6.7) | 59 (98.3) | 1 (1.7) | 60 (100.0) | 0 (0.0) | | 3500 | 113 (86.3) | 18 (13.7) | 127 (96.9) | 4 (3.1) | 128 (97.7) | 3 (2.3) | | >3500 | 31(83.8) | 6 (16.2) | 36 (97.3) | 1 (2.7) | 37 (100.0) | 0 (0.0) |
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