Table I.

Demographic characteristics and prevalence of epilepsy patients by sex and age group in different regions of Iran

Demographic variable	Results	Reference
Gender, mean ± standard:		Riasi et al., 2015 [55]
Male	27.44 ±6.57
Female	27.93 ±7.76
Age group (M/F), n (%) [years]:
18–20	43 (24.0)/65 (33.3)
21–30	72 (40.2)/41 (21.1)
31–40	64 (35.8)/89 (45.6)
Age group, n (%) and SD of M/F [years]:		Ebrahimi et al., 2012 [56]
≤ 9	3 (25.2) (17.66–27.74)/3 (29.7) (24.4–35.0)
10–19	2 (11.8) (9.7–13.9)/1 (5.6) (4.4–6.8)
20–29	0/4 (10.4) (6.6–14.1)
30–39	2 (7.2) (5.1–9.3)/0
40–49	2 (14.5) (12.4–16.6)/2 (14.5) (12.4–16.6)
50–59	1 (5.9) (5.5–6.3)/0
60–69	1 (6.7) (6.1–7.3)/0
≥ 70	1 (15.9) (10.7–21.1)/1 (12.8) (7.6–17.9)
Sex:	No (%) of M/F	Talebi et al., 2013 [57]
Male	5 (0/274)
Female	3 (0/131)
Age group, n (%) [years]:
≤ 9	13.34
10–19	18.05
20–29	23.70
30–39	16.33
40–49	12.48
50–59	7.74
60–69	4.47
70–79	2.91
≥ 80	0.98
Gender, n (%):		Zibaei et al., 2011 [58]
Male	55 (64.7)
Female	30 (35.3)
Age group, n (%) [years]:
1–19	42 (49.4)
20–39	28 (32.9)
40–59	12 (14.1)
≥ 60	3 (3.5)
Gender, n (%) [years]:		Asadi-Pooya et al., 2012 [59]
Male	142 (53.8)
Female	122 (46.2)
Age, mean ± SD [years]	28.7 ±10.5
Gender, n (%) [years]:		Rezaei and Saeidi, 2000 [60]
Male	177 (61)
Female	113 (39)
Age group, n (%) [years]:
0–2	14 (4.8)
2–10	80 (27.6)
11–20	94 (32.4)
21–30	44 (15.2)
31–40	34 (11.7)
41–50	6 (2.1)
51–60	9 (3.1)
61–70	3 (1)
71–80	6 (2.1)

M – male, F – female.