| Symptoms | Total (ns = 62) |
| Headache | 47 (76%) |
| Moderate-to-severe pneumonia | 42 (67%) |
| Peri-orbital or retro-orbital pain | 38 (61%) |
| Visual loss | 28 (45%) |
| Facial numbness | 26 (42%) |
| Rhinorrhea | 18 (29%) |
| Fever | 15 (24%) |
| Altered mental status | 13 (21%) |
| Diplopia | 12 (19%) |
| Epistaxis | 11 (18%) |
| Facial skin problems | 12 (19%) |
| Erythema | 9 (15%) |
| Ulceration | 1 (2%) |
| Neurologic loss of consciousness | 12 (19%) |
| Palsies of cranial nerves | 33 (53%) |
| Endoscopy findings |
|
| Necrosis | 44 (70%) |
| Discharge | 38 (61%) |
| Crusting | 34 (54%) |
| Edema | 11 (17%) |
| Paleness | 11 (17%) |
| Polyps | 7 (11%) |
| Imaging findings |
|
| Mucosal thickening | 43 (69%) |
| Opacification of sinus | 43 (69%) |
| Bony destruction of sinus | 22 (35%) |
| Orbit | 16 (25%) |
| Orbital involvement | 13 (20%) |
| Central nervous system lesions | 1 (1.7%) |
| Ocular symptoms (right eye = 17, left = 30, both = 3) | 51 (82%) |
| Vision loss | 35 (56%) |
| Ptosis | 31 (50%) |
| Proptosis | 27 (44%) |
| Ophthalmoplegia | 25 (40%) |
| Chemosis | 20 (32%) |
| Pre-orbital swelling | 19 (31%) |
| Pre-orbital inflammation | 18 (29%) |