Incidence of Greenlandic stroke-survivors in Greenland: A 2-year cross-sectional study

Figures & data

Table I Characteristics of Greenlandic stroke-survivors in Greenland 2011–12

Number of strokes (n)
Total	172
Not Greenlandic	16
Greenlandic	156
	Ischemic infarction n (%)	Intracerebral haemorrhage n (%)	Subarachnoid haemorrhage n (%)	Total n (%)
Study population	139 (89.1)*	7 (4.5)*	10 (6.4)*	156 (100.0)
2011	74 (53.2)	4 (57.1)	6 (60.0)	84 (53.8)
2012	65 (46.8)	3 (42.9)	4 (40.0)	72 (46.2)
Gender
Male	64 (46.0)	4 (57.1)	6 (60.0)	74 (47.4)
Female	75 (54.0)	3 (42.9)	4 (40.0)	82 (52.6)
Discharge diagnoses
DI64: cerebral apoplexy	126 (90.6)	4 (57.1)	1 (10.0)	131 (84.0)
DI63: cerebral infarction	11 (7.9)	1 (14.3)	0 (0.0)	12 (7.7)
DI61: cerebral haemorrhage	2 (1.4)	0 (0.0)	1 (10.0)	3 (1.9)
DI60: subarachnoid haemorrhage	0 (0.0)	2 (28.6)	8 (80.0)	10 (6.4)
Previous stroke
Total	22 (15.8)	0 (80.0)	1 (10.0)	23 (14.7)
CT scan
Total	138 (99.3)	7 (100.0)	10 (100.0)	155 (99.4)
Ischemic infarction	107 (77.0)	0 (0.0)	0 (0.0)	107 (68.6)
Haemorrhagic infarction	0 (0.0)	7 (100.0)	0 (0.0)	7 (4.5)
Subarachnoid bleeding	0 (0.0)	0 (0.0)	10 (0.0)	10 (6.4)
Normal	31 (22.3)	0 (0.0)	0 (0.0)	31 (19.9)
Mortality
Dead <28 days of stroke	4 (2.9)	0 (0.0)	3 (30.0)	7 (4.5)
Median age
Years (IQR)	62 (54–71)	56 (45–62)	56 (47–58)	60 (53–69)
Incidence rate
n/100,000 person-years (95% CI)	138 (115–161)	7 (2–12)	10 (4–16)	155 (121–190)

* % of total study population.

CI, confidence interval.

Table II Age- and gender-specific incidence rates of stroke-survivors in Greenland 2011–12

	Male		Female			Total
Age	Incidence/100,000 person-years (95% CI)	n/N	Incidence/100,000 person-years (95% CI)	n/N	p	Incidence/100,000 person-years (95% CI)	n/N
25–34	15 (0–44)	1/3,355	0	0/3,242	0.326	8 (0–56)	1/6,597)
35–44	93 (19–168)	6/3,214	116 (30–202)	7/3,019	0.696	104 (24–199)	13/6,233
45–54	109 (42–177)	10/4,572	228 (126–330)	19/4,172	0.055	166 (81–205)	29/8,744
55–64	634 (416–853)	32/2,522	469 (264–674)	20/2,132	0.285	559 (345–944)	52/4,654
65–74	634 (326–943)	16/1,261	1147 (734–1,560)	29/1,264	0.051	891 (525–1,073)	45/2,525
75–84	1150 (408–1,894)	9/391	614 (162–1,066)	7/570	0.201	832 (258–2,208)	16/961
All>15	188 (145–230)	74/19,707	159 (125–193)	82/25,801	0.347	203 (158–248)	156/38,498
All	143 (152–242)	74/18,791	167 (131–203)	82/24,539	0.339	155 (121–190)	156/50,340