Table 1

Baseline characteristic of blood glucose-lowering drugs

Baseline cohort (all)Cohort entryCohort entryCohort entryCohort entry
(2001–2005)(2006–2010)(2011–2015)(2016–2020)
N=362 391N=75 002N=88 435N=88 394N=110 560
N or mean% or SDN or mean% or SDN or mean% or SDN or mean% or SDN or mean% or SD
Age (years), mean (SD)57.7314.3258.0814.7458.1514.3657.7814.0857.114.18
 18–34, n (%)24 0856.6049946.7055276.2057246.5078407.10
 35–54, n (%)118 74332.8024 92733.2028 53032.3028 66232.4036 62433.10
 55–74, n (%)175 40848.4034 45045.9042 58248.2043 74949.5054 62749.40
 75+, n (%)44 15512.2010 63114.2011 79613.3010 25911.6011 46910.40
Sex*
 Male, n (%)193 73153.538 70651.648 03354.348 09254.458 90053.3
Diagnosis
 T2DM diagnosis prior to cohort entry, n (%)215 55459.544 15658.955 38862.653 73060.862 28056.3
 T2DM diagnosis 30 days prior to cohort entry, n (%)241 19266.649 19465.661 37369.460 17368.170 45263.7
 Gestational diabetes diagnosis in 1-year period prior to cohort entry, n (%)6040.21230.21510.21350.21950.2
Hemoglobin A1C laboratory test results
 Is A1C available in 6 months prior to cohort entry? (n, %)116 24632.1003570.435 15839.880 73173
 A1C value immediately preceding cohort entry, mean (SD)7.92.048.012.17.9627.872.06
 Is A1C available 6–12 months post-cohort entry?† (n, %)114 17431.50010311.242 14947.770 99464.2
 A1C value 6–12 months post cohort,† mean (SD)6.761.186.811.036.791.166.741.19
Comorbidity
 Hypertension181 64050.133 48944.746 20552.246 01752.155 92950.6
 Dyslipidemia10 820311991.620252.327823.148144.4
 Hypothyroidism26 7587.436654.956396.47090810 3649.4
 Chronic obstructive pulmonary disease12 3273.416352.223532.73531448084.3
 Chronic kidney disease82472.36060.813301.522812.640303.6
 Acute kidney injury58161.65670.810271.215271.726952.4
 Liver disease83982.310111.316071.820742.337063.4
 Cancer49 89213.875251010 94112.412 88714.618 53916.8
 Peripheral vascular disease60111.712971.716371.914801.715971.4
 Ischemic heart disease71 81519.813 85418.518 11820.517 59619.922 24720.1
 Congestive heart failure18 6745.241255.545685.24445555365
 Dementia7133210391.416441.919252.225252.3
Medical procedures (prior 2 years)
 Pacemaker345914050.57310.810111.113121.2
 Coronary bypass surgery24890.76090.87150.85470.66180.6
 Coronary PCI45061.29441.311611.39701.114311.3
 Dialysis51461.48831.212881.512751.417001.5
Medication use at cohort entry date
 Antihypertensive drugs177 87449.136 0374846 18852.243 58249.352 06747.1
 Statins118 04632.618 29824.430 81334.830 64434.738 29134.6
 Non-steroidal anti-inflammatory drugs19 0055.250446.749665.64380546154.2
 Gastroprotective drugs (H2 blockers and proton pump inhibitors)51 26614.1873511.612 3521413 2971516 88215.3
 Selective serotonin reuptake inhibitors26 6497.446486.261186.967107.691738.3
 Benzodiazepines19 0135.251756.953986.146705.337703.4
 Antipsychotics (typical and atypical)14 9704.124213.236244.138184.351074.6
 Cholinesterase inhibitors12700.42250.33670.43720.43060.3
 Opioids24 1606.749826.662387.165227.464185.8
 Systemic corticosteroids20 0425.546966.348775.548445.556255.1
  • *Unknown for 19 patients.

  • †When multiple tests are available for a patient during the 6-month period, the first laboratory test is used.

  • A1C, glycated hemoglobin; PCI, percutaneous coronary intervention; T2DM, type 2 diabetes mellitus.