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Table 4 Description of study patients

From: The influence of cholinesterase inhibitor therapy for dementia on risk of cardiac pacemaker insertion: a retrospective, population-based, health administrative databases study in Ontario, Canada

All units are N (%) except for age

All patients (N = 2,353,909)

No pacemaker (N = 2,257,909)

Pacemaker (N = 96,000)

Mean age years (95% confidence interval)

72.1 (72.0, 72.1)

72.1 (72.1, 72.1)

71.6 (71.6, 71.7)

Male

1,036,044 (44.0)

981,569 (43.5)

54,475 (56.7)

Had a code for dementia

607,540 (25.8)

576,114 (25.5)

31,426 (32.7)

MEDICATION GROUP EXPOSURE

   

At any time

   

Cholinesterase inhibitor

197,021 (8.4)

186,366 (8.3)

10,655 (11.1)

Ace-inhibitor / Angiotensin receptor blocker

1,239,438 (52.7)

1,167,268 (51.7)

72,170 (75.2)

Insulin / oral hypoglycemic agent

420,699 (17.9)

397,520 (17.6)

23,179 (24.1)

Proton pump inhibitors/H2-receptor blocker

1,313,173 (55.8)

1,249,276 (55.3)

63,897 (66.6)

Selective serotonin reuptake inhibitor

522,474 (22.2)

495,830 (22.0)

26,644 (27.8)

Statin

904,123 (38.4)

850,149 (37.7)

53,974 (56.2)

Thiazide diuretic

697,510 (29.6)

661,058 (29.3)

36,452 (38.0)

Thyroxine

338,349 (14.4)

317,760 (14.1)

20,589 (21.4)

Vaughan-Williams drug class

   

Ia

12,494 (0.5)

10,853 (0.5)

1,641 (1.7)

Ib

2,046 (0.1)

1,738 (0.1)

308 (0.3)

Ic

23,917 (1.0)

19,679 (0.9)

4,238 (4.4)

II (beta-blockers)

834,007 (35.4)

770,077 (34.1)

63,930 (66.6)

III

87,435 (3.7)

68,858 (3.0)

18,577 (19.4)

IV (calcium channel blockers)

387,964 (16.5)

356,840 (15.8)

31,124 (32.4)

V (digoxin)

332,370 (14.1)

299,183 (13.3)

33,187 (34.6)

Median proportion observation time exposed to medication group (25 th ,75 th %ile)

   

Cholinesterase inhibitor

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Ace-inhibitor/Angiotensin receptor blocker

0.01 (0.00-0.22)

0.01 (0.00-0.22)

0.03 (0.00-0.26)

Insulin/oral hypoglycemic agent

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Proton pump inhibitors/H2-receptor blocker

0.01 (0.00-0.09)

0.01 (0.00-0.09)

0.00 (0.00-0.05)

Selective serotonin reuptake inhibitor

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Statin

0.00 (0.00-0.08)

0.00 (0.00-0.08)

0.00 (0.00-0.08)

Thiazide diuretic

0.00 (0.00-0.02)

0.00 (0.00-0.02)

0.00 (0.00-0.01)

Thyroxine

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Vaughan-Williams drug class

   

Ia

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Ib

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

Ic

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

II (beta-blockers)

0.00 (0.00-0.04)

0.00 (0.00-0.04)

0.01 (0.00-0.15)

III

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

IV (calcium channel blockers)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.01)

V (digoxin)

0.00 (0.00-0.00)

0.00 (0.00-0.00)

0.00 (0.00-0.00)