Table 3 Difference of Hb of two readings.
From: Estimation of haemoglobin using non-invasive portable device with spectroscopic signal application
Difference of Hb | Frequency | Percentage |
|---|---|---|
< 0.5 | 86 | 61.4% |
0.5–1 | 32 | 22.9% |
1.1–1.5 | 10 | 7.1% |
1.6–2 | 10 | 7.1% |
> 2 | 2 | 1.4% |
Total | 140 | 100% |