Table 1. Age-standardized prevalence of sexual dysfunctions by country cluster for sexually active subjects (8). Data presented as percentage, with 95% confidence intervals in parentheses.

Sexual dysfunction	Northern Europe	Southern Europe	Non-European West	Central/South America	Middle East	East Asia	South East Asia	Total
Men
Early ejaculation	10 [9-11]	13 [12-15]	16 [14-17]	22 [19-25]	8 [7-9]	19 [17-21]	25 [22-29]	14 [14-15]
Erection difficulties	8 [7-9]	8 [7-9]	11 [10-13]	9 [6-11]	8 [6-10]	15[13-17]	22 [18-25]	10 [9-10]
Lack of interest in sex	7 [6-8]	6 [5-7]	9 [8-11]	9 [7-11]	13[11-15]	12[11-14]	20 [17-23]	9 [9-10]
Inability for orgasm	5 [4-6]	7 [6-8]	8 [7-9]	8 [6-11]	7 [6-9]	10 [9-12]	15 [13-18]	7 [7-8]
Sex not pleasurable	4 [3-5]	5 [4-6]	6 [5-7]	4 [3-6]	8 [6-10]	7 [6-8]	12 [10-15]	6 [5-6]
Women
lack of interest in sex	17 [15-19]	21 [19-23]	19 [17-21]	20 [16-24]	29 [24-34]	27 [25-30]	34 [28-39]	21 [20-22]
Inability for orgasm	10 [9-12]	17 [15-19]	16 [14-17]	16 [13-19]	17 [12-21]	23 [21-26]	34 [29-39]	16 [15-17]
Lubrication difficulties	13 [11-14]	12 [10-14]	19 [17-21]	18 [15-22]	12 [8-16]	28 [25-30]	28 [23-33]	16 [15-16]
Sex not pleasurable	10 [8-11]	15 [13-17]	12 [10-14]	14 [11-17]	22 [17-26]	21 [17-24]	28 [23-33]	15 [14-15]
Painful intercourse	5 [4-7]	8 [7-10]	8 [7-9]	14 [11-17]	14 [10-19]	20 [18-23]	22 [17-27]	10 [10-11]