Table 2.

Publications correlating serum testosterone in Arabic and western populations

Authors	Journal	Arabic countries	Conclusions
Kehinde, et al.	Int J Urol 2006; 13: 354–361	Kuwait and Oman	Mean total testosterone was significantly lower in Arabic men than German populations, esp in adult age group
Kehinde, et al.	Int Urol Nephrol. 2006; 38: 33–44	Kuwait and Oman	Mean total testosterone was significantly lower in Arabic men than Caucasian men (including USA whites)
Saad, et al.	J Egypt Soc Parasitol. 1999; 29: 307–303	Egypt	Infection with Schistosoma in Egypt was associated with lower level of serum testosterone