Table 1 Characteristics of sampled children under study (N = 97)
Variables | Mean | SD | Min | Max |
|---|---|---|---|---|
Demographic | ||||
Age (months) | 15.31 | 12.3 | 2.5 | 54 |
Gender (M/F) | 74/23 | |||
Respiratory Diagnosis | ||||
SPO2 | 94.92 | 4.5 | 80 | 100 |
RR oximeter | 48.41 | 13.3 | 22 | 86 |
RR reference | 48.81 | 13.7 | 21 | 88 |
Bias (Pulse Oximeter –True value@Reference) | −0.40 | 3.31 | −15 | 10 |
Random Error (SD) | 13.3 | |||
RMSD (root mean square deviation) | 3.31 | |||
Test of agreement | Correlation value | UCL | LCL | |
Pearson Correlation | 0.970** | 0.001 | ||
Concordance correlation coefficient | 0.976** | 0.006 | 0.958 | 0.981 |
95% limits of agreement (for difference) | −0.40(mean) | 3.309 | 6.084 | −6.888 |