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Table 1 Qualitative detection experiment data

From: A combined algorithm for T-wave alternans qualitative detection and quantitative measurement

SNR/dB P < 0.05 Se/% TWA(μV) P < 0.05 Se/%
20 31 62.0 10 37 74
25 47 94.0 20 42 84
30 50 100 50 49 98
35 50 100 100 50 100
40 50 100 200 50 100
total 228 91.2   228 91.2