Research Article
Repair of Cranial Defects in Rabbits with 3D-Printed Hydroxyapatite/Polylactic Acid Composites
Table 2
Hardness values of the experimental group, control group, and normal group at 30 days and 90 days after surgeries.
| Matched group | Mean difference | Standard error of mean difference | 95% confidence interval of standard deviation | | | Lower limit | Upper limit |
| 30 days | 1 | Experimental group-control group | -4.8688 | 0.2244 | -5.3278 | -4.4098 | -21.693 | 0.001 | 2 | Experimental group-normal group | 11.2634 | 0.1909 | -11.6537 | -10.8731 | -59.017 | 0.001 | 3 | Control group-normal group | -6.3946 | 0.2180 | -6.8405 | -5.9487 | -29.331 | 0.001 |
| 90 days | 1 | Experimental group-control group | 0.6634 | 0.4895 | -0.3378 | 1.6645 | 1.355 | 0.186 | 2 | Experimental group-normal group | 0.5464 | 0.5315 | -0.5406 | 1.6334 | 1.028 | 0.312 | 3 | Control group-normal group | -0.1170 | 0.5107 | -1.1615 | 0.9275 | -.229 | 0.820 |
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