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Table 1 Distributions of participants’ characteristics by physician visit frequency for PD treatment using chi-square tests

From: Effects of physician visit frequency for Parkinson’s disease treatment on mortality, hospitalization, and costs: a retrospective cohort study

  Higher frequency Lower frequency Total P-value
Total 1045 1179 2224  
Sex     0.31
 Male 430 (41.1%) 460 (39.0%) 890 (40.0%)  
 Female 615 (58.9%) 719 (61.0%) 1334(60.0%)  
Age     < 0.01
 75–79 291 (27.8%) 371 (31.5%) 662 (29.8%)  
 80–84 348 (33.3%) 452 (38.3%) 800 (36.0%)  
 85–89 284 (27.2%) 246 (20.9%) 530 (23.8%)  
  ≥ 90 122 (11.7%) 110 (9.3%) 232 (10.4%)  
Residential facility     < 0.01
 Home 734 (70.2%) 939 (79.6%) 1673 (75.2%)  
 Retirement home 31 (3.0%) 54 (4.6%) 85 (3.8%)  
 Long-term care facility 184 (17.6%) 184 (15.6%) 368 (16.5%)  
 Health care institute 96 (9.2%) 2 (0.2%) 98(4.4%)  
Long-term care level     0.04
 None 437 (41.8%) 506 (42.9%) 943 (42.4%)  
 Requiring help 96 (9.2%) 147 (12.5%) 243 (10.9%)  
 Long-term care level 1–2 248 (23.7%) 265 (22.5%) 513 (23.1%)  
 Long-term care level 3–5 264 (25.3%) 261 (22.1%) 525 (23.6%)  
Comorbidity
 Malignancy 259 (24.8%) 292 (24.8%) 551 (24.8%) 0.99
 Ischemic heart disease 459 (43.9%) 528 (44.8%) 987 (44.4%) 0.68
 Cerebrovascular disease 756 (72.3%) 808 (68.5%) 1564 (70.3%) 0.05
 Dyslipidemia 473 (45.3%) 610 (51.7%) 1083 (48.7%) 0.00
 Diabetes mellitus 443 (42.4%) 508 (43.1%) 951 (42.8%) 0.74
 Dementia 675 (64.6%) 735 (62.3%) 1410 (63.4%) 0.27
Mortality 589 (56.4%) 548 (46.5%) 1137 (51.1%) < 0.01