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Table 6 Statistically significant differences between DMP and usual-care patients when using imputed and available data

From: Selection effects may account for better outcomes of the German Disease Management Program for type 2 diabetes

  Imputed data Available data
Selection bias 1. Systolic BP value: 120 vs. 160 mmHg
(OR: 1.79 [95% CI: 1.15 to 2.81])
1. Systolic BP value: 120 vs. 160 mmHg
(OR: 1.99 [95% CI: 1.09 to 3.63])
  2. Oral medication
(OR: 2.17 [95% CI: 1.35 to 3.49])
2. Oral medication
(OR: 2.32 [95% CI: 1.28 to 4.20])
  3. Blood glucose self-monitoring
(OR: 1.69 [95% CI: 1.03 to 2.76])
3. Blood glucose self-monitoring
(OR: 3.40 [95% CI: 1.70 to 6.80])
  4. Prescription of diabetes patient education
(OR: 2.32 [95% CI: 1.29 to 4.19])
4. Prescription of diabetes patient education
(OR: 2.64 [95% CI: 1.27 to 5.41])
  5. GP-rated motivation of the patients: high vs. low (3 vs. 1 on a 3-point scale)
(OR: 4.55 [95% CI: 2.21 to 9.36])
5. GP-rated motivation of the patients: high vs. low (3 vs. 1 on a 3-point scale)
(OR: 6.96 [95% CI: 2.26 to 21.43])
  6. Smoking behaviour: non-smoking
(OR: 1.97 [95% CI: 1.11 to 3.48])
6. No difference regarding smoking behaviour
  7. No difference regarding urinary glucose self-monitoring 7. Urinary glucose self-monitoring
(OR: 5.68 [95% CI: 1.07 to 30.21])
Outcome quality 1. Course of systolic BP
(-3.57 mmHg [95% CI: -0.98 to -6.15])
1. No differences regarding course of systolic BP
  1. OR: odds ratio; CI: confidence interval