Table 3 Changes in the international index of erectile function (IIEF) before and after treatment

From: Combined use of androgen and sildenafil for hypogonadal patients unresponsive to sildenafil alone

  Before (n=32) Sildenafil (Sil) (n=32) Testosterone (T) (n=32) T+Sil (n=21)
IIEF-EF 12.6±7.5 12.0±8.5 14.8±6.8* 17.5±5.2**
Question 3 2.4±0.6 2.3±0.8 3.1±0.7** 3.5±1.0***
Question 4 2.3±0.6 2.3±0.8 2.3±0.6 3.6±0.9***
  1. *P<0.05; **P<0.01; ***P<0.001.
  2. IIEF-EF: Erectile function domain of IIEF.
  3. Question 3: patient's ability to achieve an erection sufficient for satisfactory sexual intercourse.
  4. Question 4: patient's ability to maintain an erection sufficient for satisfactory sexual intercourse.