Table 1.
Summary characteristics of the study participants.
| Parameter | Value |
|---|---|
| Number of participants | 50 |
| SpHb readings | |
| N | 83 |
| Mean | 11.17 |
| Standard deviation | 3.08 |
| Range | 1.0–17.8 |
| Number of attempts | 118 |
| Number of being unable to detect reading, % | 35 (30) |
| All LabHb results | |
| N | 118 |
| Mean | 10.95 |
| Standard deviation | 2.03 |
| Range | 3.8–16.4 |
| LabHb results with matched SpHb readings* | |
| N | 83 |
| Mean | 11.1 |
| Standard deviation | 2.01 |
| Range | 3.8–16.4 |
| Difference (SpHb LabHb) | |
| Mean | 0.07 |
| Standard deviation | 2.59 |
| Range | −12.0 to 3.9 |
| Pearson correlation (SpHb versus LabHb) | |
| Estimate | 0.55 |
| 95% CI | 0.38–0.68 |
CI = confidence interval.
*
Only LabHb measurements with corresponding SpHb data.