Skip to main content

Table 1 Patient characteristics for the first quarter of each year of interest, EMR cohort

From: Impact of the diabetes Canada guideline dissemination strategy on dispensed vascular protective medications for older patients in Ontario, Canada: a linked EMR and administrative data study

 2010Q12011Q12012Q12013Q12014Q12015Q12016Q1
TOTALN = 4385N = 5342N = 6071N = 6819N = 7330N = 7424N = 7363
Flagged in ODD4258 (97.1%)5167 (96.7%)5839 (96.2%)6467 (94.8%)6914 (94.3%)6986 (94.1%)6933 (94.2%)
Have no encounter date*624 (14.2%)637 (11.9%)631 (10.4%)653 (9.6%)687 (9.4%)673 (9.1%)662 (9.0%)
Age
 Mean ± SD75.83 ± 6.8375.78 ± 6.9175.88 ± 6.9775.83 ± 7.0875.77 ± 7.2275.96 ± 7.2976.08 ± 7.33
 Median (IQR)75 (70–81)75 (70–81)75 (70–81)75 (70–81)75 (70–81)75 (70–81)75 (70–81)
Sex
 Female2216 (50.5%)2694 (50.4%)3034 (50.0%)3459 (50.7%)3733 (50.9%)3793 (51.1%)3768 (51.2%)
 Male2169 (49.5%)2648 (49.6%)3037 (50.0%)3360 (49.3%)3597 (49.1%)3631 (48.9%)3595 (48.8%)
Income quintile
 Q1 (lowest)811 (18.5%)955 (17.9%)1072 (17.7%)1209 (17.7%)1315 (17.9%)1331 (17.9%)1319 (17.9%)
 Q2809 (18.4%)986 (18.5%)1131 (18.6%)1295 (19.0%)1387 (18.9%)1401 (18.9%)1423 (19.3%)
 Q3860 (19.6%)1064 (19.9%)1179 (19.4%)1361 (20.0%)1453 (19.8%)1458 (19.6%)1435 (19.5%)
 Q4934 (21.3%)1130 (21.2%)1289 (21.2%)1410 (20.7%)1532 (20.9%)1550 (20.9%)1531 (20.8%)
 Q5 (highest)970 (22.1%)1203 (22.5%)1391 (22.9%)1531 (22.5%)1633 (22.3%)1672 (22.5%)1642 (22.3%)
Rural1026 (23.4%)1270 (23.8%)1435 (23.6%)1575 (23.1%)1680 (22.9%)1708 (23.0%)1687 (22.9%)
ADG
 Mean ± SD7.54 ± 3.867.63 ± 3.837.70 ± 3.857.79 ± 3.877.71 ± 3.887.68 ± 3.937.71 ± 3.92
 Median (IQR)7 (5–10)7 (5–10)7 (5–10)7 (5–10)7 (5–10)7 (5–10)7 (5–10)
RUB
 Mean ± SD3.65 ± 0.893.66 ± 0.903.66 ± 0.913.68 ± 0.903.67 ± 0.903.67 ± 0.913.66 ± 0.92
 Median (IQR)3 (3–4)3 (3–4)3 (3–4)3 (3–4)3 (3–4)3 (3–4)3 (3–4)
 OMID (AMI)369 (8.4%)431 (8.1%)505 (8.3%)549 (8.1%)577 (7.9%)588 (7.9%)582 (7.9%)
Enrollment status
 Enrolled4142 (94.5%)5083 (95.2%)5774 (95.1%)6469 (94.9%)6958 (94.9%)7046 (94.9%)6952 (94.4%)
 Virtually enrolled243 (5.5%)259 (4.8%)297 (4.9%)350 (5.1%)372 (5.1%)378 (5.1%)411 (5.6%)
 CVD2856 (65.1%)3695 (69.2%)4257 (70.1%)4901 (71.9%)5389 (73.5%)5449 (73.4%)5386 (73.1%)
 CHF628 (14.3%)820 (15.4%)901 (14.8%)985 (14.4%)1054 (14.4%)1091 (14.7%)1069 (14.5%)
 OMID (AMI)369 (8.4%)431 (8.1%)505 (8.3%)549 (8.1%)577 (7.9%)588 (7.9%)582 (7.9%)
 HTN3610 (82.3%)4398 (82.3%)5009 (82.5%)5635 (82.6%)6039 (82.4%)6124 (82.5%)6089 (82.7%)
  1. ODD: Ontario Diabetes Database; SD: standard deviation; IQR: interquartile range; ADG: adjusted diagnostic groups; RUB: resource utilization band; OMID: Ontario myocardial infarct dataset; AMI: acute myocardial infarct; CVD: cardiovascular disease; CHF: congestive heart failure; HTN: hypertension
  2. *patient had no encounters in the CPCSSN dataset
  3. † RUBs estimate healthcare resource use grouped by morbidity levels: 0 = non user to 5 = very high morbidity