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Table 4 Model fit for multi-level logistic regressions for the separate predictive factors, for the number of predictive factors and for all three predictive indicators simultaneously analysed

From: The Nordic maintenance care program: the clinical use of identified indications for preventive care

Predictive factor Model fit by Akaike’s index AIC1
Many previous episodes 222.5
Long duration 230.1
Definitely better by the 4th visit 236.6
Number of predictive factors (0–3) 226.6
Long duration, Many previous episodes, Definitely better by the 4th visit. 225.4
  1. 1 A smaller value for AIC indicates better fit to data.