Table 2.
Comparison of mean of crestal bone level between Group 1Ba and 2Ba, 1Bb and 2Bb, 1BDa and 2BDa, 1BDb and 2BDb at different time intervals using cone beam computed tomography and digital radiography by independent t-test
| t-test for equality of means | ||||||
|---|---|---|---|---|---|---|
| Mean±SE difference | 95% CI of the difference | t | df | Significant (two-tailed) | ||
| Lower | Upper | |||||
| CBCT baseline (at loading) | 0.0000±0.3868 | −0.8296 | 0.8296 | 0.000 | 14 | 1.000 |
| CBCT follow-up (24 weeks postloading) | 0.2375±0.3583 | −0.5310 | 1.0060 | 0.663 | 14 | 0.518 |
| Digital radiography baseline (at loading) | −0.2250±0.3549 | −0.9863 | 0.5363 | −0.634 | 14 | 0.536 |
| Digital radiography follow-up (24 weeks postloading) | −0.1500±0.3461 | −0.8923 | 0.5923 | −0.433 | 14 | 0.671 |
CBCT: Cone beam computed tomography, CI: Confidence interval, SE: Standard error