Table 1.
Descriptive distribution of demographic characteristics and maxillary sinus anatomical parameters
| Variables | N (%) |
|---|---|
| Sex | |
| Male | 446 (43.8%) |
| Female | 572 (56.2%) |
| Age | |
| 18–25 years old | 261 (25.6%) |
| 26–30 years old | 104 (10.2%) |
| 31–40 years old | 280 (27.5%) |
| 41–50 years old | 228 (22.4%) |
| 51–60 years old | 104 (10.2%) |
| > 60 years old | 41 (4.0%) |
| Right Maxillary Sinus Finding | |
| Sinus Fluid | 196 (19.3%) |
| Sinus Septa | 65 (6.4%) |
| Thick Sinus Membrane | 42 (4.1%) |
| Septa and Thick Sinus Membrane | 16 (1.6%) |
| No Abnormality Detected | 699 (68.7%) |
| Left Maxillary Sinus Finding | |
| Sinus Fluid | 186 (18.3%) |
| Sinus Septa | 76 (7.5%) |
| Thick Sinus Membrane | 41 (4.0%) |
| Septa and Thick Sinus Membrane | 11 (1.1%) |
| No Abnormality Detected | 704 (69.2%) |
| Right Maxillary Sinus Width | |
| < 25 mm | 170 (16.7%) |
| 25–30 mm | 478 (47%) |
| 31–35 mm | 333 (32.7%) |
| 36–40 mm | 31 (3.0%) |
| > 40 mm | 6 (0.6%) |
| Left Maxillary Sinus Width | |
| < 25 mm | 204 (20%) |
| 25–30 mm | 480 (47.2%) |
| 31–35 mm | 304 (29.9%) |
| 36–40 mm | 29 (2.8%) |
| > 40 mm | 1 (0.1%) |
| Right Maxillary Sinus Length | |
| < 25 mm | 19 (1.9%) |
| 25–30 mm | 111 (10.9%) |
| 31–35 mm | 461 (45.3%) |
| 36–40 mm | 370 (36.3%) |
| > 40 mm | 57 (5.6%) |
| Left Maxillary Sinus Length | |
| < 25 mm | 17 (1.7%) |
| 25–30 mm | 153 (15.0%) |
| 31–35 mm | 477 (46.9%) |
| 36–40 mm | 345 (33.9%) |
| > 40 mm | 26 (2.6%) |
| Right Maxillary Sinus Area | |
| < 1000 cm2 | 536 (52.7%) |
| 1000–1200 cm2 | 339 (33.3%) |
| > 1200 cm2 | 143 (14.0%) |
| Left Maxillary Sinus Area | |
| < 1000 cm2 | 582 (57.2%) |
| 1000–1200 cm2 | 335 (32.9%) |
| > 1200 cm2 | 101 (9.9%) |
| Right Maxillary Sinus Perimeter | |
| < 125 cm | 474 (46.6%) |
| 126–135 cm | 286 (28.1%) |
| > 135 cm | 258 (25.3%) |
| Left Maxillary Sinus Perimeter | |
| < 125 cm | 523 (51.4%) |
| 126–135 cm | 314 (30.8%) |
| > 135 cm | 181 (17.8%) |