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 deficiencyPAISUndetermined 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 ratio3.0 ± 1.9
(1.5–7.2)
3.6 ± 1.9
(2.1–7.9)
2.7 ± 0.9
(1.8–7.0)
T/DHT ratio54 ± 19
(28–82)
51 ± 15
(32–72)
14 ± 16
(1–95)

*Kruskal-Wallis test.