Table 3 Distribution of tonsillolith depth and ratios of change in depth during the follow-up period
From: Changes in tonsillolith characteristics detected in a follow-up CT study
Depth on initial CT (mm) | Medial movement | No change | Lateral movement | Total | |||
|---|---|---|---|---|---|---|---|
n | Ratio (%) | n | Ratio (%) | n | Ratio (%) | ||
0 | 0 | 0.0 | 29 | 100.0 | 0 | 0.0 | 29 |
0–1.0 | 0 | 0.0 | 2 | 66.7 | 1 | 33.3 | 3 |
1.0–2.0 | 5 | 17.2 | 24 | 82.8 | 0 | 0.0 | 29 |
2.0–3.0 | 5 | 35.7 | 9 | 64.3 | 0 | 0.0 | 14 |
3.0–4.0 | 6 | 60.0 | 4 | 40.0 | 0 | 0.0 | 10 |
4.0–5.0 | 6 | 54.5 | 4 | 36.4 | 1 | 9.1 | 11 |
5.0–6.0 | 5 | 55.6 | 4 | 44.4 | 0 | 0.0 | 9 |
6.0–7.0 | 4 | 80.0 | 1 | 20.0 | 0 | 0.0 | 5 |
7.0–8.0 | 4 | 66.7 | 1 | 16.7 | 1 | 16.7 | 6 |
8.0–9.0 | 1 | 50.0 | 1 | 50.0 | 0 | 0.0 | 2 |
9.0–10.0 | 0 | 0.0 | 1 | 100.0 | 0 | 0.0 | 1 |
10.0–11.0 | 5 | 83.3 | 1 | 16.7 | 0 | 0.0 | 6 |
11.0–12.0 | 2 | 50.0 | 1 | 25.0 | 1 | 25.0 | 4 |
12.0 < | 3 | 60.0 | 2 | 40.0 | 0 | 0.0 | 5 |
Total | 46 | 34.3 | 84 | 62.7 | 4 | 3.0 | 134 |