Table 4.
Presenting symptoms, primary site of infection, and primary type of complication
| Year | Fever | Other symptoms* | Paranasal sinus | Other location | Extradural empyema | Subdural empyema | Brain abscess | Multiple locations^ | Venous sinus thrombosis |
|---|---|---|---|---|---|---|---|---|---|
| 2017 | 22 (73%) | 24 (80%) | 24 (80%) | 6 (20%) | 8 (27%) | 11 (37%) | 8 (27%) | 4 (13%) | 2 (7%) |
| 2018 | 24 (80%) | 27 (90%) | 23 (77%) | 7 (23%) | 12 (40%) | 12 (40%) | 5 (17%) | 5 (17%) | 6 (20%) |
| 2019 | 19 (76%) | 19 (76%) | 14 (56%) | 11 (44%) | 9 (36%) | 10 (40%) | 4 (16%) | 5 (20%) | 6 (24%) |
| 2020 | 13 (76%) | 17 (100%) | 14 (82%) | 3 (18%) | 7 (41%) | 6 (35%) | 3 (17%) | 4 (23%) | 2 (11%) |
| 2021 | 16 (70%) | 20 (87%) | 17 (74%) | 6 (26%) | 8 (35%) | 8 (25%) | 4 (17%) | 3 (13%) | 1 (4%) |
| 2022 | 53 (91%) | 51 (88%) | 47 (81%) | 11 (19%) | 23 (40%) | 26 (45%) | 9 (15%) | 21 (36%) | 9 (15%) |
| 2023 | 54 (76%) | 56 (79%) | 42 (59%) | 29 (41%) | 30 (42%) | 23 (32%) | 13 (18%) | 15 (21%) | 18 (25%) |
| Overall | 201 (79%) | 214 (84%) | 181 (71%) | 73 (29%) | 97 (38%) | 96 (37%) | 42 (17%) | 57 (22%) | 44 (17%) |
*Hemiparesis, cranial nerve palsy, aphasia, ataxia, cerebellar syndrome, fatigue, and confusion in 80 cases (31%), headache in 107 cases (42%), frontal/orbital/retro-auricular swelling or signs of orbital cellulitis in 41 cases (16%), seizures and vomiting in 38 cases each (15%), drowsiness/lethargy/coma in 33 cases (12%), ear pain in 15 cases (6%), nasal obstruction/rhinorrhea in 8 cases (3%), meningitis signs/symptoms in 7 cases (2.7%), anorexia in 4 cases (1.5%), otorrhea and diarrhea in 3 cases each (1.1%), hydrocephalus in one case (0.5%)
^Extradural ± subdural ± brain abscess