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Table 1 Results of the accuracy and ITR with 2 s’ time window length for each subject

From: A Hybrid BCI speller based on the combination of EMG envelopes and SSVEP

Subject Accuracy(%) ITR(bit/min)
Hybrid EMG only SSVEP only Hybrid EMG only SSVEP only
S1 87.5 88.3 99.2 92.6 26.0 76.3
S2 100 100 100 118.1 40.0 78.1
S3 64.2 94.2 68.3 57.5 31.9 36.7
S4 81.7 99.2 82.5 82.9 38.5 51.5
S5 85.8 99.2 86.7 89.7 38.5 56.7
S6 81.7 87.5 94.2 83.1 25.2 67.4
S7 76.7 96.7 80.0 75.1 34.7 48.6
S8 87.5 95.8 91.7 92.8 33.9 63.6
S9 46.7 90.0 53.3 35.4 27.9 22.7
S10 96.7 96.7 100 110.1 34.9 78.1
Average (mean ± SEM) 80.8 ± 15.6 94.8 ± 4.6 85.6 ± 15.2 83.7 ± 24.0 33.1 ± 5.3 58.0 ± 18.5