Table 4 Meta-analysis results based on the follow up period (short term [less than 5Â years] and long term [more than 5Â years])
Outcome | Subgroup (years) | Pooled effect size (CI) | Test ES = 0 | I2* (%) | |
|---|---|---|---|---|---|
Z score | p-value | ||||
Atrophy | < 5 | .06% (.0%, .27%) | .51 | .61 | 0 |
|  | > 5 | .04% (0%, .23%) | .39 | .70 | 0 |
Erosion | < 5 | 1.52% (.43%, 2.61%) | 2.74 | .01 | 0 |
|  | > 5 | 5.55% (3.29%, 7.81%) | 4.82 | < .001 | 0 |
Infection | < 5 | .90% (.06%, 1.74%) | 2.13 | .03 | 31 |
|  | > 5 | 2.58z (0%, 5.34%) | 1.84 | .07 | 74.45 |
Mechanical failure | < 5 | 1.78% (.05%, 3.50%) | 2.02 | .04 | 56.22 |
|  | > 5 | 4.03% (.77%, 7.28%) | 2.42 | .02 | 92.42 |
Revision needing | < 5 | 1.29% (0%, 2.73%) | 1.75 | .08 | 55.53 |
|  | > 5 | 26.53% (13.15%, 39.91%) | 3.89 | < .001 | 91.24 |
Leak (sphincter insufficiency) | < 5 | .39% (0%, .96%) | 1.33 | .18 | 0 |
|  | > 5 | .06% (0%, .33%) | .44 | .66 | 0 |