Table 1 Study population baseline characteristics.
From: Risk-adjustment of diabetes health outcomes improves the accuracy of performance benchmarking
Characteristic | All patients (nā=ā4,670) | Type 2 patients (nā=ā3,496) | Type 1 patients (nā=ā1,174) |
|---|---|---|---|
Demographics | |||
Age (years): median (IQR) | 60 (46ā69) | 64 (55ā72) | 37 (25ā52) |
Sex | |||
Ā Ā Male: n (%) | 2,399 (52%) | 1,862 (54%) | 537 (47%) |
Ā Ā Female: n (%) | 2,203 (48%) | 1,592 (46%) | 611 (53%) |
Country of birth | |||
Ā Ā Australia: n (%) | 2,709 (65%) | 1,820 (59%) | 889 (83%) |
Ā Ā Overseas: n (%) | 1,428 (35%) | 1,240 (41%) | 188 (17%) |
Body mass index | |||
Underweight (<18.5ākg/m2): n (%) | 26 (<1%) | 4 (<1%) | 22 (2%) |
Healthy weight (18.5ā24.9ākg/m2): n (%) | 734 (18%) | 314 (10%) | 420 (42%) |
Overweight (25ā29.9ākg/m2): n (%) | 1,170 (28%) | 855 (27%) | 315 (31%) |
Obese (30ā39.9ākg/m2): n (%) | 1,672 (40%) | 1,446 (46%) | 226 (22%) |
Morbidly obese (ā„40ākg/m2): n (%) | 535 (13%) | 509 (16%) | 26 (3%) |
Disease characteristics | |||
Diabetes duration (years): median (IQR) | 13 (7ā20) | 12 (6ā20) | 16 (8ā27) |
Severity | |||
Ā Ā DCSI score 0: n (%) | 1,608 (34%) | 998 (29%) | 610 (52%) |
Ā Ā DCSI score 1ā2: n (%) | 1,619 (35%) | 1,294 (37%) | 325 (28%) |
Ā Ā DCSI score 3ā4: n (%) | 845 (18%) | 721 (21%) | 124 (11%) |
Ā Ā DCSI scoreāā„ā5: n (%) | 598 (13%) | 483 (14%) | 115 (10%) |
Smoking status | |||
Never: n (%) | 2,152 (54%) | 1,515 (51%) | 637 (62%) |
Ever (current or past): n (%) | 1,859 (46%) | 1,461 (49%) | 398 (38%) |
Ā Ā Current: n (%) | 568 (14%) | 396 (13%) | 172 (17%) |
Ā Ā Past: n (%) | 1,291 (32%) | 1,065 (36%) | 226 (22%) |
Treatment | |||
Insulin: n (%) | 3,280 (70%) | 2,120 (61%) | 1,160 (99%) |
Lipid-lowering medication(s): n (%) | 2,862 (62%) | 2,534 (73%) | 328 (28%) |
Antihypertensive medication(s): n (%) | 2,903 (64%) | 2,583 (76%) | 320 (28%) |
Health outcomes | |||
HbA1c (%): meanā±āSD | 8.3ā±ā1.8 | 8.2ā±ā1.8 | 8.5ā±ā1.8 |
LDL-Ch (mmol/L): meanā±āSD | 2.2ā±ā1.2 | 2.1ā±ā1.2 | 2.5ā±ā0.9 |
SBP (mmHg): meanā±āSD | 131ā±ā19 | 133ā±ā19 | 124ā±ā17 |
Severe hypo (ā„1 episode in previous year): n (%) | 269 (6%) | 125 (4%) | 144 (13%) |