Skip to main content
. 2017 Sep 27;7(9):e016992. doi: 10.1136/bmjopen-2017-016992

Table 1.

Baseline characteristics of patients with stroke according to thiazide use after propensity score matching

Thiazide use p Value
Yes (n=3735) No (n=3735)
Demographic factors
Age (years) 0.280
 <60 862 (23.1%) 811 (21.7%)
 60–79 2211 (59.2%) 2274 (60.9%)
 ≥80 662 (17.7%) 650 (17.4%)
Sex 0.374
 Male 2171 (58.1%) 2133 (57.1%)
 Female 1564 (41.9%) 1602 (42.9%)
Socioeconomic factors
Income level (NTD) 0.267
 Financially dependent 1110 (29.7%) 1120 (30.0%)
 1–19 999 1953 (52.3%) 1910 (51.1%)
 20 000–39 999 455 (12.2%) 448 (12.0%)
 ≥40 000 217 (5.8%) 257 (6.9%)
Urbanisation level 0.658
 1 (most urbanised) 908 (24.3%) 953 (25.5%)
 2 1024 (27.4%) 988 (26.5%)
 3 685 (18.3%) 691 (18.5%)
 4 636 (17.0%) 610 (16.3%)
 5 (least urbanised) 482 (12.9%) 493 (13.2%)
Comorbidities
 Charlson Comorbidity Index 2.84±1.83 2.83±1.86 0.822
 Hypertension 3319 (88.9%) 3331 (89.2%) 0.657
 Diabetes mellitus 1612 (43.2%) 1598 (42.8%) 0.744
 Congestive heart failure 384 (10.3%) 394 (10.5%) 0.705
 COPD 736 (19.7%) 731 (19.6%) 0.884
 Chronic liver disease 347 (9.3%) 332 (8.9%) 0.546
 Chronic kidney disease 351 (9.4%) 364 (9.7%) 0.609
 Malignancy 197 (5.3%) 206 (5.5%) 0.645
 Osteoporosis 218 (5.8%) 214 (5.7%) 0.843
 Rheumatoid arthritis 40 (1.1%) 34 (0.9%) 0.483
 Parkinsonism 126 (3.4%) 128 (3.4%) 0.898
 Dementia 195 (5.2%) 207 (5.5%) 0.538
 Depression 170 (4.6%) 173 (4.6%) 0.868
 Epilepsy 51 (1.4%) 43 (1.2%) 0.406
Stroke severity proxies
 SSI score 5.78±3.70 5.78±3.66 0.954
 ICU 408 (10.9%) 405 (10.8%) 0.911
 Mechanical ventilation 87 (2.3%) 97 (2.6%) 0.455
 Hemiplegia or paraplegia 631 (16.9%) 588 (15.7%) 0.178
 Aphasia 58 (1.6%) 57 (1.5%) 0.925
 Neurosurgery 13 (0.3%) 14 (0.4%) 0.847
Use of medication
Antihypertensive drugs other than thiazides
 ACEI, ARB 1543 (41.3%) 1539 (41.2%) 0.925
 Calcium channel blockers 1720 (46.1%) 1754 (47.0) 0.430
 β-blockers 1128 (30.2%) 1158 (31.0) 0.451
 Loop diuretics 318 (8.5%) 325 (8.7%) 0.773
 Aldosterone receptor antagonists 84 (2.2%) 89 (2.4%) 0.701
Anxiolytics, antipsychotics, sedatives or antidepressants 1164 (31.2%) 1184 (31.7%) 0.618
Systemic corticosteroids 225 (6.0%) 238 (6.4%) 0.533
Osteoporosis medication 130 (3.5%) 130 (3.5%) 1.000

Continuous data expressed as mean±SD and categorical data expressed as number (%).

ACEI, ACE inhibitors; ARB, angiotensin receptor blocker; COPD, chronic obstructive pulmonary disease; ICU, intensive care unit; NTD, New Taiwan dollars; SSI, Stroke Severity Index.