Table 2.
Unmatched and matched comparisons of initial cranioplasty outcomes.
| Unmatched |
Matched |
|||||
|---|---|---|---|---|---|---|
| Autologous (n = 128) | Custom (n = 32) | P value | Autologous (n = 29) | Custom (n = 29) | P value | |
| Initial CP failure | 30 (23.4) | 4 (12.5) | 0.18 | 5 (17.2) | 4 (13.8) | 0.72 |
| Median time from CP to failure (days)a | 170 (56–475) | 256 (60–523) | 0.60 | 163 (28–448) | 256 (60–523) | 0.87 |
| Reason for CP failure | ||||||
| Infection | 16 (12.5) | 4 (12.5) | 1.00 | 2 (6.9) | 4 (13.8) | 0.39 |
| Bone resorption | 18 (14.1) | 0 | 0.02 | 3 (10.3) | 0 | 0.08 |
| CP surface area (cm2) | 152.7 ± 27.3 | 143.7 ± 40.6 | 0.14 | 155 (135–172) | 150 (132–164) | 0.62 |
| Second CP | 29 (22.7) | 4 (12.5) | 0.20 | 5 (17.2) | 4 (13.8) | 0.72 |
| Second CP failure | 10 (7.8) | 2 (6.3) | 0.76 | 3 (10.3) | 2 (6.9) | 0.64 |
| Third CP | 9 (7.0) | 2 (6.3) | 0.88 | 3 (10.3) | 2 (6.9) | 0.64 |
| Time to last clinical follow-up (months)a | 5.2 (1.4–19.3) | 5.0 (1.1–10.7) | 0.26 | 3.9 (1.1–11.7) | 4.9 (1.1–11.6) | 0.87 |
Values reported as number (%) or mean ± standard deviation.
Boldface font indicates statistical significance.
CP, cranioplasty.
a
Non-parametric continuous data reported as median (interquartile range).