Table 2 Distribution of NPTR parameters

From: Comparison of international index of erectile function with nocturnal penile tumescence and rigidity testing in evaluation of erectile dysfunction

  Group I (6–10) Group II (11–16) Group III (17–25) Group IV (26–30)
NPTR parameters X±s.d. Median (min–max) X±s.d. Median (min–max) X±s.d. Median (min–max) X±s.d. Median (min–max)
No. of erections (per night) 1.06±1.24 0.5 (0–3) 1.24±0.94 1 (0–3) 1.59±1.28 2 (0–5) 3.17±1.11 3 (1–5)
Duration of erections (min) 28.25±27.79 18.5 (0–81) 32.47±27.31 24 (0–91) 34.95±32.64 25 (0–157) 63.41±32.25 54 (20–123)
RAU tip 29.25±27.80 20 (0–90) 34.66±27.12 30 (0–102) 37.80±31.66 34 (0–146) 66.83±28.57 64 (25–116)
TAU tip 14.50±12.74 8 (0–36) 14.95±11.46 13 (0–41) 16.90±13.85 13 (0–58) 28.75±15.08 28 (9–60)
RAU base 28.87±20.73 22 (0–60) 33.23±25.68 31 (0–111) 39.80±30.81 30 (0–119) 63.33±22.84 62 (31–100)
TAU base 17.31±12.52 16 (0–41) 22.90±16.5 20 (0–63) 25.39±18.08 23 (0–77) 42.08±14.38 38 (22–67)