Frequency and clinical patterns of stroke in Iran - Systematic and critical review

BMC Neurology

Table 2 Stroke demographic data in Iran

Study	City or Province	Duration of collection	Sample population/number of events	Sex		Age range in years(mean in years)	Diagnostic criteria/CT or MRI	Case ascertainment	Study design	Event type	Total population per 100,000 (95% CI)
				Male	Female
Ahangar et al[10]	Babol	2001 - 2003	550,000/250	120 (48%)	130 (52%)	All (68)	WHO/all	Hospital admission (the only centre for stroke admission in the region)	Retrospective	First-ever & recurrent	22.7
Oveisgharan et al[20]	Isfahan	2000 - 2003	1,700,000/4,361	2121 (49%)	2240 (51%)	All (68)	WHO/90%	Admission in 8 hospitals in the region (excluded 2 military hospitals)	Prospective	First-ever & recurrent	^a84.16 (78.46-89.86) ^b94.84 (88.94-100.74) ^c100.18 (94.40-105.96) ^d103.23 (97.41-109.05)
^e Ghandehari et al[17]	Southern Khorasan	2001 - 2005	682,000/1,392	654 (47%)	738 (53%)	All (65.6)	^fPIC/all	Hospital admission (the only neurology centre in the province)	Prospective stroke registry	First-ever	43.17
^e Ghandehari et al[12]	Southern Khorasan	2002 - 2007	196,000/17	10 (59%)	7 (41%)	< 15 (5.5)	^gClinical definition/all	Hospital admission (the only neurology centre in the province)	Prospective	First-ever	1.83
^e Ghandehari et al[15]	Southern Khorasan	2000-2005	314,000/124	64 (52%)	60 (48%)	15-45 (35.7)	^gClinical definition/all	Hospital-based study(the only neurology centre in the province)	stroke registry	First-ever	8

CT: Computerised tomography; MRI: Magnetic Resonance Imaging; CI: 95% confidence intervals stated when available; WHO: World Health Organisation. ^aIncidence rate in 2000; ^bIncidence rate in 2001; ^cIncidence rate in 2002; ^dIncidence rate in 2003; ^eOnly ischaemic strokes were included; ^fPIC: Practical Iranian Criteria classification for aetiologic and topographic diagnosis of brain infarction; ^gStroke was defined as an ischaemic focal neurological deficit that persisted at least for 24 hours.

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