Skip to main content
. 2021 Jun 24;21(13):4329. doi: 10.3390/s21134329

Table 4.

Inter-rater and inter-session reliability analysis for RUSI diaphragm thickness within both manual and specific orthosis device measurement methods during relaxed breathing.

RUSI Diaphragm Thickness (cm) Examiner 1 Mean ± SD (95% CI) Examiner 2 Mean ± SD (95% CI) ICC(2,1)
(95% CI)		 SEM MDC p-Value
Manual Probe Fixation
Tins right diaphragm 0.21 ± 0.07 (0.19–0.24) 0.20 ± 0.07 (0.18–0.23) 0.965 (0.931–0.982) 0.013 0.036 0.010 †
Texp right diaphragm 0.13 ± 0.04 (0.11–0.15) 0.11 ± 0.04 (0.10–0.13) 0.865 (0.675–0.938) 0.014 0.040 0.002 *
Tins-exp right diaphragm 0.08 ± 0.05 (0.06–0.10) 0.09 ± 0.06 (0.06–0.11) 0.953 (0.906–0.976) 0.014 0.039 0.047 *
Tins left diaphragm 0.20 ± 0.07 (0.18–0.23) 0.20 ± 0.06 (0.17–0.22) 0.936 (0.876–0.967) 0.016 0.045 0.117 *
Texp left diaphragm 0.15 ± 0.05 (0.13–0.17) 0.13 ± 0.05 (0.12–0.15) 0.784 (0.571–0.890) 0.023 0.064 0.025 *
Tins-exp left diaphragm 0.05 ± 0.04 (0.04–0.06) 0.06 ± 0.03 (0.04–0.07) 0.828 (0.669–0.911) 0.014 0.040 0.172 *
Orthosis Device Probe Fixation
Tins right diaphragm 0.23 ± 0.07 (0.20–0.25) 0.22 ± 0.07 (0.19–0.24) 0.861 (0.731–0.928) 0.026 0.072 0.141 *
Texp right diaphragm 0.15 ± 0.05 (0.13–0.17) 0.14 ± 0.05 (0.12–0.16) 0.927 (0.847–0.964) 0.013 0.037 0.410 †
Tins-exp right diaphragm 0.07 ± 0.05 (0.05–0.09) 0.07 ± 0.06 (0.05–0.09) 0.852 (0.713–0.924) 0.021 0.058 0.717 †
Tins left diaphragm 0.22 ± 0.07 (0.19–0.24) 0.20 ± 0.07 (0.18–0.23) 0.920 (0.839–0.959) 0.054 0.027 0.051 *
Texp left diaphragm 0.17 ± 0.05 (0.15–0.19) 0.16 ± 0.05 (0.14–0.18) 0.877 (0.762–0.937) 0.017 0.048 0.106 *
Tins-exp left diaphragm 0.04 ± 0.05 (0.03–0.06) 0.04 ± 0.05 (0.02–0.06) 0.884 (0.776–0.940) 0.017 0.047 0.687 *

Abbreviations: CI, confidence interval; ICC, intraclass correlation coefficient; MDC, minimum detectable change; SD, standard deviation; SEM, standard error of measurement; Tins, maximum inspiration time; Texp, maximum expiration time. p < 0.05 was considered as statistically significant for a 95% CI (in bold). * Student t-test for paired samples was used. † Wilcoxon test for paired samples was used.