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Table 1 Neural network misclassification rates (MR) for the prediction of risk contractions (whole population, learning data + test data)

From: Preterm labour detection by use of a biophysical marker: the uterine electrical activity

Weeks of pregnancy 27–28 29–32 33–37
Placenta insertion Posterior Anterior Posterior Anterior Posterior Anterior
BPM algorithm 18% na 76% 26% 19% 19%
LM algorithm 13% na 19.5% 18% 12% 11%
  1. BPM, back propagation with momentum algorithm; LM, Levenberg-Marquardt algorithm; na, data not available (too few number of recorded contractions).