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Subgroup analysis of treatment success in patients with Zenker’s diverticula. Subgroup analysis was performed based on timing of response assessment (3 months versus 1 year versus 2 years).
| Variable | Subgroup | No. of Cohorts | No. of patients | Summary Estimate (95% CI) | Within-group heterogeneity (I2) |
|---|---|---|---|---|---|
| Treatment success | |||||
| Timing of assessment | 3 months | 5 | 130 | 90.6% (85.7%–95.5%) | 0% |
| 1 year | 4 | 72 | 90% (86.4%–97.4%) | 0% | |
| 2 years | 3 | 101 | 89.6% (82.2%–96.9%) | 15.7% | |
Abbreviation: CI, Confidence Interval.
