Table 2. Prevalence of different infections and their co-morbidity among different Iranian groups, 1996–2012.

Outcome	Group	Sample size	Number of study	Pooled estimate (%)
HIV	GP	170378	13	0.00(0.00–0.003)
	HCW	595	4	0.00(0.00–0.50)
	PWRMT	5779	25	0.01(0.00–0.12)
	Street children	488	2	0.00 (0.00–0.46)
	Prisoner	2787	5	3.42(1.22–5.63)
	PWID	921	5	17.25(2.94–31.57)
HBV	GP	170378	13	0.90 (0.57–1.22)
	HCW	45	1	0.00(0.00–7.87)
	PWRMT	142	1	0.70 (0.00–2.07)
	PWID	899	1	30.90 (27.88–33.92)
HCV	GP	170378	13	0.31 (0.18–0.43)
	HCW	595	4	0.19 (0.00–0.66)
	PWRMT	3919	19	19.28(13.98–24.56)
	Street children	488	2	0.76 (0.00–1.62)
	Prisoner	1431	1	34.73 (32.26–37.20)
	PWID	1403	5	51.46(34.30–68.62)
HIV/HBV	GP	170378	13	0.00(0.00–0.003)
	HCW	595	4	0.00(0.00–0.50)
	PWRMT	5779	25	0.00(0.00–0.11)
	Prisoner	2787	5	0.13(0.00–0.42)
	PWID	172	2	1.88(0.00–4.03)
HIV/HCV	GP	170378	13	0.00(0.00–0.003)
	HCW	595	4	0.00(0.00–0.50)
	PWRMT	5779	25	0.01(0.00–0.12)
	Street children	488	2	0.00 (0.00–0.46)
	Prisoner	2787	5	1.71(0.11–3.30)
	PWID	921	5	10.95(2.82–19.08)
HIV/HBV/HCV	GP	170378	13	0.00(0.00–0.003)
	HCW	595	4	0.00(0.00–0.50)
	PWRMT	5779	25	0.01(0.00–0.12)
	Prisoner	2787	5	0.28(0.00–0.58)
	PWID	172	2	1.25(0.00–3.01)

GP: General population; HCW: Health care worker; PWID: People who inject drugs; PWRMT: Patients who received multiple transfusions