Table 1.
Percentage distributions of the small, middle, large, and extra large cysts which caused or did not cause the corresponding angle narrowing or closure
| Angle narrowing or closure | Number of cysts |
|||
| Small cysts* | Middle cysts* | Large cysts* | Extra large cysts | |
| Positive | 16 (18.8%) | 357 (49.9%) | 101 (92.7%) | 12 (100%) |
| Negative | 69 (81.2%) | 359 (50.1%) | 8 (7.3%) | 0 (0%) |
| Total | 85 | 716 | 109 | 12 |
Positive: cause the corresponding angle narrowing or closure; Negative: not cause the corresponding angle narrowing or closure
*
χ 2=111.0, P=0.000