Table 2 Pooled results of LNs harvested at each station
Outcomes | No. of studies | No. of participants | Statistical method | Effect size | P | Heterogeneity | |
|---|---|---|---|---|---|---|---|
I2 | P | ||||||
Station 1 | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | −0.25 [−0.95, 0.44] | 0.47 | 0% | 0.40 |
Station 3 | 3 [19, 43, 45] | 1903 | Mean difference (IV, random, 95% CI) | −0.33 [−1.03, 0.36] | 0.40 | 55% | 0.11 |
Station 4sb | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | 0.23 [−0.23, 0.70] | 0.32 | 0% | 0.69 |
Station 4d | 4 [14, 19, 43, 45] | 1967 | Mean difference (IV, fixed, 95% CI) | −0.41 [−1.07, 0.24] | 0.22 | 0% | 0.73 |
Station 5 | 4 [17, 19, 43, 45] | 2000 | Mean difference (IV, random, 95% CI) | −0.60 [−0.77, −0.43] | <0.01 | 94% | <0.001 |
Station 6 | 5 [14, 17, 19, 43, 45] | 3127 | Mean difference (IV, random, 95% CI) | −0.52 [−0.99, −0.04] | 0.03 | 0% | 0.90 |
Station 7 | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | −0.57 [−1.30, 0.15] | 0.12 | 0% | 0.34 |
Station 8a | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | −0.07 [−0.64, 0.49] | 0.80 | 0% | 0.61 |
Station 9 | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | −0.66 [−1.15, −0.16] | <0.01 | 0% | 0.84 |
Station 11p | 2 [43, 45] | 459 | Mean difference (IV, fixed, 95% CI) | −0.76 [−1.21, −0.31] | <0.01 | 0% | 0.83 |