Table 2.
The prevalence of incidental paranasal sinus abnormalities in the summer and winter groups
| Summer (n=412) | Winter (n=427) | p | padjusted | |
|---|---|---|---|---|
| Finding | ||||
| At least one finding | 166 (40.3) | 216 (50.6) | 0.003* | 0.001* |
| MT | 128 (31.1) | 183 (42.9) | 0.001* | 0.001* |
| RC-P | 79 (19.2) | 83 (19.4) | 0.923 | 0.739 |
| FC | 16 (3.9) | 10 (2.3) | 0.198 | 0.376 |
| Location | ||||
| F | 39 (9.5) | 58 (13.6) | 0.062 | 0.021* |
| AE | 61 (14.8) | 94 (22) | 0.007* | 0.002* |
| M | 137 (33.3) | 179 (41.9) | 0.010* | 0.003* |
| PE | 58 (14.1) | 87 (20.4) | 0.016* | 0.004* |
| S | 46 (11.2) | 57 (13.3) | 0.335 | 0.179 |
MT: mucosal thickening; RC-P: retention cyst and polyp; FC: fluid collection; F: frontal sinus; AE: anterior ethmoid sinus; M: maxillary sinus; PE: posterior ethmoid sinus; S: sphenoid sinus; Padjusted: p adjusted by gender
*
statistical significance