Age (years)

Frequency

Hypertension

Changes in usual

symptoms

18 - 29

22

No

I don’t know

Yes

X2 (p)

No

I don’t know

Yes

Maybe

X2 (p)

30 - 39

128

21 (95.5%)

1 (4.5%)

0 (0%)

7 (31.8%)

0 (0%)

0 (0%)

0 (0%)

40 - 49

74

120 (93.8%)

1 (0.8%)

6 (4.7%)

56 (43.8%)

0 (0%)

3 (2.3%)

4 (3.1%)

50 - 59

75

68 (9.9%)

1 (1.4%)

4 (5.4%)

38 (51.4%)

0 (0%)

4 (5.4%)

0 (0%)

60 - 69

74

60 (80%)

1 (1.3%)

13 (17.3%)

<0.0001

40 (53.3%)

1 (1.3%)

5 (6.7%)

1 (1.3%)

<0.0001

70 - 79

41

41 (55.4)

0 (0%=

33 (44.6%)

44 (59.5%)

1 (1.4%)

0 (0%)

5 (6.8%)

80 - 89

12

22 (53.7%)

0 (0%)

19 (46.3%)

29 (70.7%)

1 (2.4%)

3 (7.3%)

2 (4.9%)

over 90

2

7 (58.3%)

1 (8.3%)

4 (33.3%)

6 (50%)

2 (16.7%)

0 (0%)

2 (16.7%)

Total cases

428

1 (50%)

0 (0%)

1 (50%)

0 (0%)

0 (0%)

1 (50%)

1 (50%)

Lost cases

6

341 (78.6%)

5 (1.2%)

80 (18.4%)

220 (50.7%)

5 (1.2%)

16 (3.7%)

15 (3.5%)