Table 8 Effect size of acute and chronic % non-heme iron absorption
From: Salivary proline-rich protein may reduce tannin-iron chelation: a systematic narrative review
Study | Treatment | Effect size (d) | Lower CI (95%) | Upper CI (95%) |
|---|---|---|---|---|
[70] | Acute gavage | 0.79 | −0.38 | 1.97 |
Chronic Gavage | 0.14 | −0.99 | 1.27 | |
Acute Oral | 1.37a | 0.11 | 2.62 | |
Chronic Oral | −0.66 | −1.81 | 0.51 | |
[37] | 5% tea challenge | −3.99a | −5.94 | −2.03 |
5% tea chronic | −1.62a | −2.92 | −0.31 | |
5% tea + gelatin challenge | −4.11a | −6.1 | −2.11 | |
5% tea + gelatin chronic | −2.29a | −3.74 | −0.83 | |
Total (CI % absorption) | −1.30 | −2.73 | 0.13 | |
Total (CI % absorption chronic consumers) | −1.11 | −2.37 | 0.16 | |
Total (CI % absorption acute consumers) | −1.61 | −3.08 | 0.11 | |