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Table 2 Pre-period1 healthcare utilization (baseline)

From: Evaluating the relationship between clinical and demographic characteristics of insulin-using people with diabetes and their health outcomes: a cluster analysis application

–.

Total

T1DM

T2DM

p

N

%

N

%

N

%

 

Total Number of People With Diabetes

100,650

100%

11,826

11.7%

88,824

88.3%

Healthcare Resource Utilization2

All-cause Utilization

  All-cause ER visits (n > 0, %)

18,930

18.8%

1452

12.3%

17,478

19.7%

< 0.0001

  All-cause ER visits (mean, SD)

0.30

0.85

0.18

0.59

0.32

0.88

< 0.0001

  All-cause IP visits (n > 0, %)

14,048

14.0%

761

6.4%

13,287

15.0%

< 0.0001

  All-cause IP visits (mean, SD)

0.21

0.64

0.09

0.40

0.23

0.67

< 0.0001

  All-cause IP days (mean, SD)

1.74

8.24

0.44

3.45

1.92

8.67

< 0.0001

  All-cause IP days for patients with ≥1 admit (mean, SD)

12.48

18.79

6.79

11.94

12.80

19.05

< 0.0001

  All-cause PCP visits (n > 0, %)

72,779

72.3%

6569

55.5%

66,210

74.5%

< 0.0001

  All-cause PCP visits (mean, SD)

2.05

2.27

1.20

1.66

2.16

2.32

< 0.0001

  All-cause Endocrinologist visits (n > 0, %)

21,436

21.3%

5055

42.7%

16,381

18.4%

< 0.0001

  All-cause Endocrinologist visits (mean, SD)

0.36

0.80

0.69

0.97

0.31

0.76

< 0.0001

  All-cause Cardiologist visits (n > 0, %)

17,954

17.8%

884

7.5%

17,070

19.2%

< 0.0001

  All-cause Cardiologist visits (mean, SD)

0.30

0.83

0.11

0.50

0.32

0.87

< 0.0001

  No visit to PCP, Endocrinologist, or Cardiologist (n, %)

18,671

18.6%

2677

22.6%

15,994

18.0%

< 0.0001

Diabetes-related Utilization3

  Diabetes-related ER visits (n > 0, %)

15,057

15.0%

1163

9.8%

13,894

15.6%

< 0.0001

  Diabetes-related ER visits (mean, SD)

0.23

0.71

0.14

0.51

0.24

0.73

< 0.0001

  Diabetes-related IP visits (n > 0, %)

13,536

13.4%

750

6.3%

12,786

14.4%

< 0.0001

  Diabetes-related IP visits (mean, SD)

0.20

0.60

0.08

0.39

0.21

0.62

< 0.0001

  Diabetes-related IP days (mean, SD)

1.59

7.58

0.40

3.15

1.74

7.98

< 0.0001

  Diabetes-related IP days for patients with ≥1 admit (mean, SD)

11.79

17.53

6.37

10.90

12.11

17.79

< 0.0001

  1. Abbreviations: ER = emergency room; HbA1c = hemoglobin A1c; IP = inpatient; n, N = number of people with diabetes; PCP = primary care physician; Q1 = first quartile; Q3 = third quartile; SD = standard deviation; T1DM = type 1 diabetes mellitus; T2DM = type 2 diabetes mellitus
  2. 1 Pre-period was defined as 6 months prior to index date
  3. 2 Statistical comparisons for average utilization were conducted using Wilcoxon Rank Sum tests
  4. 3 Diabetes–related determined by diagnosis in any diagnostic position on a medical claim