Table 2 Distribution of tonsillolith size and ratios of change in size during the follow-up period
From: Changes in tonsillolith characteristics detected in a follow-up CT study
Size on initial CT (mm) | Increase | No change | Decrease | Total number | |||
|---|---|---|---|---|---|---|---|
N | Ratio (%) | n | Ratio (%) | n | Ratio (%) | ||
< 1.0 | 2 | 66.7 | 1 | 33.3 | 0 | 0.0 | 3 |
1.0–1.5 | 8 | 29.6 | 19 | 70.4 | 0 | 0.0 | 27 |
1.5–2.0 | 12 | 25.0 | 36 | 75.0 | 0 | 0.0 | 48 |
2.0–2.5 | 6 | 35.3 | 11 | 64.7 | 0 | 0.0 | 17 |
2.5–3.0 | 2 | 14.3 | 12 | 85.7 | 0 | 0.0 | 14 |
3.0–3.5 | 4 | 36.4 | 7 | 63.6 | 0 | 0.0 | 11 |
3.5–4.0 | 0 | 0.0 | 8 | 100.0 | 0 | 0.0 | 8 |
4.0–4.5 | 0 | 0.0 | 1 | 100.0 | 0 | 0.0 | 1 |
4.5–5.0 | 0 | 0.0 | 4 | 100.0 | 0 | 0.0 | 4 |
5.0–5.5 | 0 | 0.0 | 0 | 0.0 | 1 | 100.0 | 1 |
Total | 34 | 25.4 | 99 | 73.9 | 1 | 0.7 | 134 |