Research Article
Clinical and Laboratorial Features That May Differentiate 46,XY DSD due to Partial Androgen Insensitivity and 5α-Reductase Type 2 Deficiency
Table 5
Data from 9 patients with 5α-reductase type 2 deficiency, 10 patients with PAIS, and 39 isolated undetermined cases.
| | 5α-reductase type 2 deficiency | PAIS | Undetermined | value* |
| Age at first consultation (yr) | 9.6 ± 7.5 (0.05–18.2) | 8.0 ± 10.0 (0.2–28.8) | 2.5 ± 4.5 (0,02–20,7) | | Birth weight (g) | 2890 ± 290 (2600–3500) | 3100 ± 400 (2630–3950) | 2470 ± 460 (1700–3000) | | Birth length (cm) | 48 ± 1 (47–50) | 48 ± 2 (46–51) | 46 ± 3 (39–50) | | Penile length (z) | −4.0 ± 0.4 (−4.6–−3.1) | −6.0 ± 2.1 (−8.7–−2.7) | −3.2 ± 1.2 (−6.6–−1.1) | | T (ng/mL) | 4.6 ± 4.1 (1.8–13.6) | 4.5 ± 4.4 (1.7–15.0) | 2.6 ± 1.4 (1.5–9.1) | | Δ4 (ng/mL) | 1.4 ± 0.4 (0.8–1.9) | 1.1 ± 0.4 (0.7–1.9) | 1.2 ± 0.3 (0.7–1.7) | | T/Δ4 ratio | 3.0 ± 1.9 (1.5–7.2) | 3.6 ± 1.9 (2.1–7.9) | 2.7 ± 0.9 (1.8–7.0) | | T/DHT ratio | 54 ± 19 (28–82) | 51 ± 15 (32–72) | 14 ± 16 (1–95) | |
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*Kruskal-Wallis test.
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