Table 2 Time after intervention
Time after intervention | Number of studies | % |
|---|---|---|
 ≤ 1 month | 205 | 10.4 |
 > 1 month & ≤ 12 months | 914 | 46.6 |
 > 1 year & ≤ 2 years | 119 | 6.1 |
 > 2 years & ≤ 5 years | 391 | 19.9 |
 > 5 years & ≤ 10 years | 109 | 5.6 |
 > 10 years | 162 | 8.3 |
Not reported | 62 | 3.2 |