Table 3. Age- and Gender-specific crude Incidence Rates (per 100,000 Population per month) for First-Ever Stroke in Hajj
(2007) compared with the data from MSIS within the same period
Age (years)
Hajj subjects
MSIS subjects
P value
Population No. Incidence rate
Population at risk No. Incidence rate (95% C)I
at risk
(95% CI)
Both
genders
15-24
514
0
–
112588
0
–
–
25-34
4110
0
–
83131
2
2 (0-5)
–
35-44
19397
2
10 (4-16)
57743
1
2 (0-5)
0.021‡
45-54
29973
3
10 (4-16)
40596
5
12 (5-20)
0.67†
55-64
21584
3
14 (7-21)
20096
5
25 (15-36)
0.07†
65-74
12568
5
40 (28-52)
13103
11
84 (66-102)
0.001†
75-84
4033
3
74 (57-91)
5944
13
219 (190-248)
0.001†
>85
739
1
135 (112-158)
1147
3
262 (230-294)
0.001†
Total
Males
15-24
25-34
35-44
45-54
55-64
65-74
75-84
>85
Total males
Females
15-24
25-34
35-44
45-54
55-64
92974
17
18 (10-26)
334348
40
12 (5-19)
0.273 †
234
1303
8102
14646
10704
7140
2710
547
45419
0
0
0
2
2
0
1
0
5
–
–
–
14 (7-21)
19 (10-28)
–
37 (25-49)
–
11 (4-18)
55458
42266
29202
20681
10146
6820
3109
556
168238
0
1
0
3
2
5
10
2
23
–
2 (0-5)
–
15 (7-23)
20 (11-29)
73 (56-90)
322 (287-357)
360 (323-397)
14 (7-21)
–
–
–
0.85 †
0.87 †
–
0.001 †
–
0.540†
280
2807
11295
15327
10880
0
0
2
1
1
–
–
18 (10-26)
7 (2-12)
9 (3-15)
57130
40865
28541
19915
9950
0
1
1
2
3
–
2 (0-5)
4 (0-8)
10 (4-16)
30 (19-41)
–
–
0.003 †
0.46 †
0.001 †
65-74
5428
5
92 (73-111)
75-84
1323
2
151 (127-175)
>85
192
1
521 (476-566)
Total
47555
12
25 (15-35)
females
MSIS: Mashhad Stroke Incidence Study 11
† Chi-square test; ‡ Fisher exact test; N/A: not applicable
6283
2835
591
166110
6
3
1
17
95 (76-114)
106 (86-126)
169 (144-194)
10 (4-16)
0.82 †
0.005 †
0.001 †
0.01 †