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Table 6 Summative outcomes: The proportion of patients with current LDL-c measurements and patients prescribed lipid lowering medications from baseline to the end of intervention period

From: Implementing electronic clinical reminders for lipid management in patients with ischemic heart disease in the veterans health administration: QUERI Series

 

Intervention versus Comparison

Individual Intervention Sites

Individual Comparison Sites

 

Intervention

Site A

Site B

Site C

Site D

Site E

Site F

Odds ratio for change from baseline to end of intervention without adjusting for degree of implementation (95% confidence intervals)*

Effect on proportion of patients with current LDL-c from baseline to end of intervention period¶

1.96 (1.34,2.88)

1.45 (1.38,1.52)

1.57 (1.44,1.72)

1.64 (1.53,1.75)

0.57 (0.50,0.66)

0.67 (0.65,0.68)

Reference

Effect on proportion of patients on lipid-lowering medications from baseline to intervention period¶

0.92 (0.72,1.19)

0.89 (0.87,0.91)

1.10 (1.01,1.20)

0.54 (0.53,0.56)

1.30 (1.07,1.57)

0.68 (0.66,0.71)

Reference

Odds ratio for change from baseline to end of intervention adjusting for provider self-reported amount of use of IHD reminder (95% CI)

Effect on proportion of patients with current LDL-c from baseline to end of intervention period

2.35 (1.96,2.81)

1.33 (0.93,1.89)

1.77 (1.11,2.82)

1.46 (0.77,2.76)

0.34 (0.27,0.43)

0.58 (0.45,0.75)

Reference

Effect on proportion of patients on lipid-lowering medications from baseline to intervention period

0.87 (0.67,1.13)

0.85 (0.71,1.03)

1.05 (0.82,1.35)

0.46 (0.34,0.61)

1.35 (0.97,1.90)

0.66 (0.59,0.75)

Reference

  1. *Adjusted for patient baseline and facility characteristics in Table 2; odds ratios significant at p < 0.05 bolded
  2. §Intra-class correlation for measurement change was 0.08, 95% CI 0.00 – 0.18
  3. ¶Intra-class correlation for treatment change was 0.02, 95% CI 0.00 – 0.05
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