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Table 9 Percentage of time frozen in one-freezer-held-out cross validation with the 2-layer LSTM model for FOG detection

From: Prediction and detection of freezing of gait in Parkinson’s disease from plantar pressure data using long short-term memory neural-networks

Participant held out True positive True negative False positive False negative Model time frozen (%) True time frozen (%)
1 2868 76,729 6214 586 10.5 4.0
2 7154 99,394 10,736 2116 15.0 7.8
3 1089 131,869 10,288 413 7.9 1.0
6 3642 172,641 18,668 598 11.4 2.2
7 26,201 143,062 16,725 7640 22.2 17.5
8 3137 82,302 19,113 503 21.2 3.5
9 630 126,898 14,475 53 10.6 0.5
Mean ± SD      14.1 ± 5.2 5.2 ± 5.5