Table 1 Estimates for Meta-regression.

From: Clinical outcome post treatment of anemia in pregnancy with intravenous versus oral iron therapy: a systematic review and meta-analysis

Regressors

Estimated effect

p-value

\({\tau }^{2}\)(1)

\({I}^{2}\)(2)

\({H}^{2}\)(3)

\({R}^{2}\)(4)

Year

0.0088

0.5906

0.0159

10.81%

1.12

0%

Endline HB level for Oral

−0.2171

0.1593

0.0051

4.18%

1.04

32.53%

Endline HB level for Intravenous

−0.1300

0.2718

0.0107

7.5%

1.04

0%

Gestational age

0.0217

0.3470

0.0052

5.23%

1.06

37.21%

  1. (1)Estimated amount of residual heterogeneity.
  2. (2) Residual heterogeneity / unaccounted variability.
  3. (3) Unaccounted variability / sampling variability.
  4. (4)Amount of heterogeneity accounted for.
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