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Table 6 Comparison of ICC process of care indicators between urban and rural practices

From: Intracluster correlation coefficients for sample size calculations related to cardiovascular disease prevention and management in primary care practices

Quality of Care Indicator*

ICC: Rural

ICC: Urban

Ratio

N = 14

N = 70

(Urban/Rural)

All patients

One blood pressure reading

0.056

0.052

0.92

Two blood pressure readings

0.119

0.105

0.88

Lipid profile

0.012

0.082

6.91

Fasting blood glucose

0.021

0.047

2.22

egfr

0.016

0.075

4.83

ACR

0.133

0.115

0.86

Smoking status

0.054

0.091

1.69

Waist circumference

0.117

0.167

1.43

Hypertension

One blood pressure reading

0.019

0.050

2.59

Two blood pressure readings

0.085

0.118

1.39

Anti-hypertensive medication

0.017

0.016

0.91

Dyslipidemia

Lipid profile

0.014

0.055

4.08

Lipid lowering medication

0.027

0.020

0.74

Diabetes

HbA1c

0.026

0.090

3.48

glycemic medication

0.027

0.045

1.68

1 blood pressure reading

0.067

0.065

0.97

2 blood pressure reading

0.166

0.123

0.74

Lipid Profile

0.014

0.105

7.68

Fasting blood glucose

0.057

0.097

1.69

egfr

0.021

0.097

4.56

ACR

0.142

0.164

1.16

Chronic Kidney Disease

egfr

0.005

0.072

14.61

ACR

0.112

0.129

1.16

1 blood pressure reading

0.012

0.088

7.10

2 blood pressure reading

0.063

0.177

2.82

Coronary Artery Disease

CAD Medication

0.029

0.016

0.53

1 blood pressure reading

0.041

0.093

2.23

2 blood pressure reading

0.053

0.147

2.77

Lipid profile

0.006

0.103

15.88

Smoking

Smoking advice

0.118

0.113

0.96

Smoking program

0.038

0.164

4.32

Smoking cessation drug

0.090

0.050

0.56

  1. *whether specified quality of care indicator was discussed, recommended, or performed during a one year timeframe.
  2. eGFR – Estimated Glomerular Filtration Rate; ACR – Albumin-to-Creatinine ratio.