| Study | Reason for exclusion |
|---|---|
| Bendsen 1980 | This study was excluded from the meta‐analysis owing to non‐absorbable and absorbable material being compared that may have had a confounding effect on the results. |
| Buchan 1980 | This study was excluded from the meta‐analysis owing to non‐absorbable and absorbable material being compared that may have had a confounding effect on the results. |
| Doyle 1993 | This study was excluded from the meta‐analysis owing to non‐absorbable and absorbable material being compared that may have had a confounding effect on the results. |
| Hansen 1975 | This study was excluded from the meta‐analysis owing to non‐absorbable and absorbable material being compared that may have had a confounding effect on the results. |
| Roberts 1993 | This study was excluded from the meta‐analysis owing to non‐absorbable and absorbable material being compared that may have had a confounding effect on the results. |
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