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Prevalence of different types of correlation of ON with sphenoid sinus on the right and left sides
| Type | Right side | Left side | |||
|---|---|---|---|---|---|
| Number | Percentage | Number | Percentage | ||
| Smooth type | Irrelevant | 4 | 4.1 | 5 | 5.2 |
| Touch | 48 | 49.5 | 51 | 52.6 | |
| Total | 52 | 53.6 | 56 | 57.8 | |
| Prolonged type | Less than 50% | 40 | 41.2 | 34 | 35.1 |
| More than 50% | 5 | 5.2 | 7 | 7.2 | |
| Total | 45 | 46.4 | 41 | 42.3 | |
| Total | 97 | 100.0 | 97 | 100.0 | |
