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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Length of hospital stay: intravenous immunoglobulin (IVIG) vs standard care | 2 | 116 | Mean Difference (IV, Random, 95% CI) | ‐4.54 [‐7.47, ‐1.61] |
| 2 Length of hospital stay IVIG vs interferon | 1 | 53 | Mean Difference (IV, Fixed, 95% CI) | ‐0.57 [‐0.99, ‐0.15] |
