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Table 2 Comparison of complete and incomplete data sets (t-test/χ2-test)

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

Variable complete
(n = 357)
incomplete
(n = 489)
p
Age [in years]: mean ± standard deviation (SD) 69.3 ± 10.4 69.5 ± 11.5 n.s.
Women in % 47.3% 47.2% n.s.
DMP patients in % 78.7% 63.4% < 0.001
Duration of diabetes [in months]: mean ± SD 115 ± 86 110 ± 78 n.s.
GHb [in %]: mean ± SD 7.0 ± 1.1 6.9 ± 1.1 n.s.
Systolic BP [in mmHg]: mean ± SD 137 ± 17 139 ± 17 n.s.
Diastolic BP [in mmHg]: mean ± SD 79 ± 9 79 ± 10 n.s.
Motivation [3 = high through 1 = low]: mean ± SD 1.6 ± 0.8 1.6 ± 0.8 n.s.
  1. n.s.: statistically not significant (p > 0.05)