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Table 4 Stepwise logistic regression analysis in 81 subjects (65 DM1 patients, 26 healthy subjects): CBT and ROCF-copy performances as predicting variables

From: Disease awareness in myotonic dystrophy type 1: an observational cross-sectional study

STEP Cognitive test b (SE) O.R. C.I. 95 % P
1 Constant 6.56 (1.78) - - -
  CBT −1.31 (0.38) 0.27 0.13–0.57 .001
2 Constant 8.19 (2.07) - - -
  CBT −1.21 (0.41) 0.30 0.13–0.67 .003
  ROCF-copy −1.13 (0.05) 0.88 0.80–0.97 .007
  1. STEP 2 R2 : Cox-Snell = .29, Nagelkerke = .40, Hosmer-Lemenshow: chi-square = 7.36, p = .498
  2. percentage of overall correct prediction = 76.7 %