Research Article
Interrater and Intrarater Reliability of Electrical Impedance Myography: A Comparison between Large and Small Handheld Electrode Arrays
Table 3
Reliability indices for within-day interrater reliability of both sensors.
| Within-day interrater | Large sensor | Small sensor | ICC | SEM | SRD | 95% LOA | ICC | SEM | SRD | 95% LOA |
| 50 kHz | Phase | 0.97 (0.92–0.99) | 0.19 | 1.22 | −6.38–4.17 | 0.92 (0.81–0.97) | 0.59 | 2.13 | −10.44–6.20 | Reactance | 0.90 (0.73–0.96) | 0.21 | 1.27 | −4.62–3.29 | 0.44 (−0.41–0.78) | 2.62 | 4.49 | −15.97–8.96 | Resistance | 0.99 (0.98–1.00) | 0.12 | 0.96 | −7.23–4.59 | 0.95 (0.88–0.98) | 1.53 | 3.42 | −30.09–16.03 |
| 100 kHz | Phase | 0.98 (0.94–0.99) | 0.13 | 0.99 | −5.80–3.88 | 0.92 (0.81–0.97) | 0.51 | 1.98 | −9.41–5.69 | Reactance | 0.95 (0.88–0.98) | 0.11 | 0.94 | −4.00–2.98 | 0.67 (0.19–0.87) | 1.76 | 3.68 | −14.31–8.13 | Resistance | 0.99 (0.98–1.00) | 0.11 | 0.92 | −6.34–4.15 | 0.97 (0.93–0.99) | 0.82 | 2.51 | −22.12–12.04 |
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