Table 1 Combined validation (Bland-Altman and correlation analyses) and exercise (mean ± standard deviation and P values of paired two-tailed t-test) results.

Echo

46.4 ± 12.6

73.8 ± 14.7

301.1 ± 21.4

Gated

39.6 ± 12.3

56.7 ± 12.5

310.3 ± 20.9

UNFOLD-SENSE

Mean [ms]

45.0 ± 11.6

74.1 ± 9.3

306.0 ± 19.0

Bias [ms]

-1.4 ± 5.6

0.3 ± 9.6

4.9 ± 11.7

Correlation

r = 0.898

r = 0.793

r = 0.849

Rest

55.9 ± 21.3

66.8 ± 8.1

276.8 ± 20.1

Stress

42.6 ± 19.5

57.9 ± 9.5

264.8 ± 21.4

Paired two-tailed t-test

P = 0.0307

P = 0.0213

P = 0.0067