Table 3.
SpCO Missing Reading Summary
| COHb Range | SaO2 Range | ||||
|---|---|---|---|---|---|
| 75% – 80% | 80% – 85% | 85% – 95% | 95% – 100% | 75% – 100% | |
| 0% – 2% | 48/48 (100%) | 36/38 (94.7%) | 44/78 (56.4%) | 31/54 (57.4%) | 159/218 (72.9%) |
| 2% – 4% | N/A | N/A | N/A | 5/18 (27.8%) | 5/18 (27.8%) |
| 4% – 6% | N/A | N/A | N/A | 1/26 (3.8%) | 1/26 (3.8%) |
| 6% – 8% | N/A | N/A | N/A | 0/18 (0%) | 0/18 (0%) |
| 8% – 10% | N/A | 4/4 (100%) | 5/8 (62.5%) | 0/34 (0%) | 9/46 (19.6%) |
| 10% – 12% | 40/40 (100%) | 32/32 (100%) | 23/74 (31.1%) | 0/50 (0%) | 95/196 (48.5%) |
|
| |||||
| 0% – 12% | 88/88 (100%) | 72/74 (97.3%) | 72/160 (45.0%) | 37/200 (18.5%) | 269/522 (51.5%) |
Data are the number missing/total (%). Data combine both Rainbow devices
SpCO, pulse oximeter measured carboxyhemoglobin percentage; SaO2, measured blood arterial oxygen saturation; COHb, measured arterial carboxyhemoglobin percentage; N/A, not applicable