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. 2019 Jan 31;14(1):e0209249. doi: 10.1371/journal.pone.0209249

Table 3. The relationships between the three devices of the Actigraph GT3X+ with HR, HR alone Actiheart against criterion PAEE in all groups.

Limits of agreement (LoA) expressed as mean ± 95% SD.

Location r R2 SEE
(kcal·min-1)
LoA
(kcal·min-1)
P Value
Treadmill Walking
Unilateral Amputation Group
GT3X+ and HR 0.92 0.85 0.78 0 ± 1.50 < 0.001
HR 0.89 0.79 0.91 0 ± 1.77 < 0.001
Acti-Heart 0.86 0.73 1.02 -1.40 ± 2.00 < 0.001
Bilateral Amputation Group
GT3X+ and HR 0.93 0.87 0.96 0 ± 1.84 < 0.001
HR 0.88 0.77 1.26 0 ± 2.44 < 0.001
Acti-Heart 0.81 0.65 1.53 0.21 ± 4.28 < 0.001
Control Group
GT3X+ and HR 0.91 0.83 0.48 0 ± 0.93 < 0.001
HR 0.84 0.71 0.62 0 ± 1.82 < 0.001
Acti-Heart 0.67 0.45 0.85 0.29 ± 1.82 < 0.001