Table 2.
Characteristics of included studies.
| Author (pub. year) | Study setting | Study Period MM/ YY-MM/YY | Study design | Instruments used in the study | Measure of association (95%); mg/dL | Controls: total number | Cases: total number, number with GI, and number without GI (%) | Mean age of controls, years, mean (SD) | Mean age of cases, years, mean (SD) | Disease Duration, mean (SD) |
|---|---|---|---|---|---|---|---|---|---|---|
| Khaled et al. (2021) [15] | Egypt; NR | NR | case-control | AVFSFI | Control group: 26.6 (2.49) Vitiligo: 24.0 (3.84) |
Total: 50 | Total:50 | 35.7 (7.39) | 37.3 (8.14) | NR |
| Sarhan et al. (2016) [16] | Egypt; outpatient | NR | Cross-sectional | AVFSFI | Control group: 26.1 (5.84) with GI: 19.82 (3.501) Without GI: 22.74 (5.246) |
Total: 25 | Total: 50 with GI: 25 Without GI: 25 |
31.7 (5.1) | with GI: 32.4 (7.5) Without GI: 30.3 (5.04) | With GI: 9.1 (5.3) Without GI: 5.2 (4.0) |
| Sukan et al. (2007) [8] | Turkey; outpatient | 2/2003– 12/2004 | Cross-sectional | ASEX | Female: Control group: 12.28 (4.03) Vitiligo: 18.42 (6.69) Male: Control group: 9.04 (3.36) Vitiligo: 10.65 (4.45) |
Total: 50 | Total: 50 | 35.98 (12.49) | 35.82 (12.56) | NR |
| Yucel et al. (2021) [17] | Turkey; outpatient | 11/2018– 5/2019 | Cross-sectional | ASEX | Control group: 9.1 (3.3) with GI:15.0 (4.4) Without GI: 15.1 (4.8) | Total: 30 | Total: 60 with GI: 30 Without GI: 30 |
37.53 (8.28) | with GI: 42.07 (9.82) Without GI: 40.17 (8.73) | With GI: 4 (3.73) Without GI: 1.75 (1,73) |
AVFSFI: Arabic version of the Female Sexual Function Index; ASEX: Arizona Sexual Experience Scale; GI: genital involvement; NR: not reported.