Relation of Masimo and Nellcor oximeter heart rates to cardiac monitor heart rate before, during, and after circumcision (n=15)
| Baseline | Circumcision | After circumcision | ||||
|---|---|---|---|---|---|---|
| Masimo | Nellcor | Masimo | Nellcor | Masimo | Nellcor | |
| Correlation coefficient (r2) | 0.86 | 0.63 | 0.72 | 0.28 | 0.78 | 0.31 |
| Residual error (beats/min) | 1.3 | 3.9 | 5.8 | 19.5 | 2.4 | 14.6 |