Table 2.
Summary of absolute glenoid positioning outcomes (meta-means) and heterogeneity for each positioning method.
| Method | Version error (°) |
Inclination error (°) |
Offset error (mm) |
|||
|---|---|---|---|---|---|---|
| Mean (95% CI) | I2, p(Q) | Mean (95% CI) | I2, p(Q) | Mean (95% CI) | I2, p(Q) | |
| NAV | 6.1 (2.0, 10.3) | 70%, p = .07 | 8.0 (5.3, 10.7) | 0%, p = 1.0 | – | – |
| PSI | 4.5 (2.2, 6.9) | 88%, p<.01 | 2.7 (1.4, 4.1) | 82%, p<.01 | 1.9 (1.0, 2.8) | 94%, p<.01 |
| SI | 8.6 (6.6, 10.7) | 65%, p = .03 | 11.1 (6.9, 15.2) | 88%, p<.01 | 3.4 (2.8, 4.0) | 66%, p = .04 |
NAV: navigation; PSI: patient-specific instruments; SI: standard instrumentation.