Table 1 Age distribution for the detection of tonsilloliths on CT and the extent of the bone defect caused by periodontitis calculated on panoramic tomography
Age (y) | Present | Absent | Mann-Whitney U test (p value) | Detection rate (%) | ||
|---|---|---|---|---|---|---|
Number of patients | Average bone loss (%) | Number of patients | Average bone loss (%) | |||
≤9 | 4 | 0 | 4 | 0 | 1.000 | 50.0 |
10–19 | 7 | 0 | 32 | 0 | 1.000 | 17.9 |
20–29 | 32 | 1.1 | 63 | 1.8 | 0.854 | 33.7 |
30–39 | 28 | 5.2 | 55 | 3.4 | 0.191 | 33.7 |
40–49 | 31 | 10.1 | 31 | 9 | 0.749 | 50.0 |
50–59 | 44 | 17.4 | 35 | 19 | 0.627 | 55.7 |
60–69 | 42 | 31.7 | 41 | 21.9 | 0.025* | 50.6 |
70–79 | 58 | 33.2 | 46 | 20.1 | 0.002* | 55.8 |
80–89 | 30 | 32.4 | 22 | 23.8 | 0.022* | 57.7 |
≥90 | 2 | 44.7 | 1 | 7.5 | 1.000 | 66.7 |
Total | 278 | 20.1 | 330 | 11.2 | < 0.001* | 45.7 |