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Table 2 Healthcare utilization in stage 3–5 NDD-CKD Patients, Medicare and commercially insured (MarketScan) datasets

From: Prevalence, treatment patterns, and healthcare resource utilization in Medicare and commercially insured non-dialysis-dependent chronic kidney disease patients with and without anemia in the United States

 

Medicarea

Commercially insured

 

Unadjusted

Adjustedb

Unadjusted

Adjusteda

Healthcare utilization

Non-anemia

Anemia

Relative risk (95% CI)

Non-anemia

Anemia

Relative risk (95% CI)

Number of claims, PPY

 Hospitalizations

0.45

0.93

1.33 (1.31–1.34)

0.25

0.63

1.42 (1.38–1.47)

 ED visits

0.50

0.75

1.14 (1.12–1.15)

0.34

0.58

1.15 (1.11–1.19)

 SNF admissions

0.21

0.55

1.56 (1.53–1.59)

 Hospice admissions

0.10

0.27

1.52 (1.48–1.55)

 Outpatient visits

23.77

31.74

1.18 (1.18–1.18)

20.59

32.01

1.23 (1.22–1.23)

Length of hospitalization for all patients (days)

 Mean (SD)

2.36 (7.47)

5.24 (12.39)

0.93 (5.03)

2.61 (10.38)

 Median

0.00

0.00

0.00

0.00

 IQR

1.00

5.25

 

0.00

0.00

 

Length of hospitalization for hospitalized patients (days)

 Mean (SD)

9.14 (12.42)

12.49 (16.60)

7.52 (12.47)

10.96 (19.01)

 Median

5.00

7.00

4.00

5.00

 IQR

8.00

12.00

 

6.00

9.00

 

Physician visits, PPY

 Nephrologist

1.21

1.97

1.49 (1.48–1.50)

1.02

1.60

1.46 (1.43–1.50)

 Cardiologist

2.40

3.06

0.97 (0.96–0.97)

0.69

0.94

0.92 (0.90–0.95)

 Hematologist

0.02

0.09

4.29 (4.08–4.52)

0.11

0.46

2.90 (2.76–3.04)

 Endocrinologist

0.35

0.39

1.02 (1.00–1.03)

0.27

0.33

1.05 (1.00–1.09)

 Primary care practitioner

7.75

9.86

1.12 (1.11–1.12)

4.03

5.27

1.10 (1.09–1.12)

  1. CKD chronic kidney disease, NDD non-dialysis-dependent, ED emergency department, PPY per person-year, SNF skilled nursing facility
  2. aIncluding patients aged 66–85 years
  3. bPoisson regressions adjusted for demographics, comorbid conditions, inflammatory conditions, and CKD stage