Table 2.
Description of diabetes cohorts
| |
Cohort 1a (n=29,058) |
Cohort 2 (n=41,925) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 20-44 (n=3,901) | 45-64 (n=10,659) | 65-74 (n=7,757) | 75+ (n=6,741) | All | 20-44 (n=3,901) | 45-64 (n=10,659) | 65-74 (n=7,757) | 75+ (n=6,741) | All | |
|
Demographicsb | ||||||||||
| Age, mean (SD) |
36.2 (6.3) |
55.5 (5.6) |
69.5 (2.8) |
80.6 (4.6) |
62.5 (15.0) |
36.8 (5.8) |
55.3 (5.6) |
69.6 (2.9) |
81.0 (4.8) |
62.4 (15.0) |
| Female |
52.1 |
44.1 |
46.0 |
53.5 |
47.9 |
52.3 |
43.9 |
44.9 |
54.5 |
47.8 |
| Urban |
58.3 |
53.0 |
48.7 |
46.3 |
51.0 |
55.6 |
53.4 |
51.1 |
47.8 |
51.8 |
| Missing |
<0.1 |
0.2 |
0.1 |
<0.1 |
0.1 |
0.1 |
0.2 |
0.1 |
<0.1 |
0.1 |
| Income Quintile |
|
|
|
|
|
|
|
|
|
|
| Q1 (lowest) |
32.7 |
26.1 |
25.8 |
27.1 |
27.1 |
32.5 |
25.7 |
24.4 |
25.0 |
26.1 |
| Q2 |
22.0 |
23.2 |
23.2 |
24.7 |
23.4 |
23.2 |
22.1 |
23.4 |
23.8 |
23.0 |
| Q3 |
15.4 |
16.2 |
17.1 |
19.1 |
17.0 |
14.4 |
16.4 |
17.5 |
19.1 |
17.0 |
| Q4 |
13.5 |
14.8 |
15.1 |
12.8 |
14.2 |
13.0 |
15.1 |
15.4 |
14.6 |
14.8 |
| Q5 (highest) |
15.4 |
18.2 |
17.4 |
15.1 |
16.9 |
16.0 |
19.5 |
18.0 |
16.4 |
17.9 |
| Missing |
0.9 |
1.5 |
1.5 |
1.1 |
1.3 |
1.0 |
1.3 |
1.4 |
1.2 |
1.2 |
| Recent diagnosis |
27.5 |
24.3 |
21.7 |
21.3 |
23.4 |
16.0 |
12.6 |
9.6 |
8.3 |
11.3 |
|
Outcomes (%)c | ||||||||||
| AMI |
0.5 |
1.6 |
2.9 |
3.3 |
2.2 |
0.4 |
0.9 |
1.9 |
3.0 |
1.6 |
| Stroke |
0.3 |
1.0 |
2.7 |
3.7 |
2.0 |
0.2 |
0.7 |
1.8 |
2.9 |
1.4 |
| LEA |
0.3 |
0.8 |
1.2 |
1.3 |
1.0 |
0.3 |
0.9 |
0.9 |
0.6 |
0.8 |
| ESRD |
0.7 |
0.5 |
0.4 |
0.2 |
0.4 |
0.3 |
0.5 |
0.5 |
0.3 |
0.4 |
| Mortality |
0.9 |
4.0 |
10.0 |
22.0 |
9.4 |
1.2 |
3.0 |
8.4 |
21.5 |
8.4 |
| Hosp., any |
34.3 |
43.7 |
57.6 |
64.7 |
51.0 |
31.7 |
40.9 |
55.2 |
61.8 |
48.1 |
| Hosp., diabetes |
18.6 |
21.3 |
26.6 |
30.2 |
24.4 |
14.5 |
16.8 |
22.0 |
24.0 |
19.5 |
|
Comorbidity summary measures, mean (SD) | ||||||||||
| # diagnoses |
6.0 (4.8) |
6.2 (4.8) |
6.7 (4.7) |
7.4 (4.8) |
6.6 (4.8) |
6.2 (5.7) |
6.8 (6.0) |
7.9 (6.6) |
8.9 (6.8) |
7.5 (6.4) |
| Charlson score |
0.4 (0.8) |
0.6 (1.2) |
0.9 (1.5) |
1.2 (1.7) |
0.8 (1.4) |
0.4 (0.8) |
0.6 (1.2) |
1.0 (1.7) |
1.3 (1.9) |
0.8 (1.5) |
| # drugs |
3.1 (3.2) |
4.2 (3.5) |
5.3 (3.6) |
5.9 (3.8) |
4.7 (3.7) |
3.1 (3.3) |
4.5 (3.7) |
5.9 (3.8) |
6.4 (4.0) |
5.1 (3.9) |
| CDS | 2.5 (3.1) | 3.9 (3.5) | 5.0 (3.6) | 5.3 (3.6) | 4.3 (3.6) | 2.8 (3.4) | 4.4 (3.8) | 5.6 (3.7) | 5.7 (3.7) | 4.8 (3.8) |
aCohort 1 was defined using administrative data from fiscal years 1996/97 to 1997/98 and Cohort 2 was defined using data from 1996/97 to 2001/02; bNumbers reported are percentages unless otherwise indicated; cOutcomes were defined over a two-year observation period, SD Standard Deviation, Hosp Hospitalization, AMI Acute Myocardial Infarction; LEA Lower Extremity Amputation; ESRD End-Stage Renal Disease, CDS Chronic Disease Score.