Table 2.
Analysis of clinical outcomes comparing the XEN45 implant as a standalone procedure versus its combination with cataract surgery (phacoemulsification) reported by the different meta-analyses
| XEN alone | XEN + phaco | Mean difference (95% CI)a | p | XEN alone | XEN + phaco | Mean difference (95% CI)a | p | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Study | N | IOP loweringa | N | IOP loweringa | NOHM | NOHM | ||||
| Wang et al. [21] | 559 | NP | 475 | NP | 0.22 (0.05 to 0.40) | 0.01 | NP | NP | −0.20 (−0.46 to 0.06) | 0.14 |
| Chen et al. [24] | 1074 | −7.80 (−9.97 to −7.38) | 659 | −8.35 (−9.82 to −6.88) | NP | NP | −1.97 (−2.19 to −1.75 | −1.86 (−2.11 to −1.60) | NP | NP |
| Yan et al. [25] | 1314 | NP | 1160 | NP | −0.01 (−0.09 to 0.08) | 0.894 | NP | NP | 0.09 (−0.04 to 0.23) | 0.672 |
N, number of eyes; 95% CI, 95% confidence interval; NOHM, number of ocular hypotensive medications; NP, not provided
aMean (95% CI) intraocular pressure (IOP) lowering (mm Hg)