Table 2 Prevalence and characteristics of Pre-SBS group
Group at low risk of SBS, n (%) | Group at high risk of SBS, n (%) = pre-SBS, 282 (18.8) | |||||
|---|---|---|---|---|---|---|
Never | Rare | Sometimes | Often | Always | Total | |
Headache, heaviness in head, tinnitus | 1181 (79.1) | 192 (12.9) | 78 (5.2) | 22 (1.5) | 20 (1.3) | 120 (8.0) |
Itching, burning, irritation, drying of the eyes | 1187 (79.5) | 198 (13.3) | 81 (5.4) | 13 (0.8) | 14 (0.9) | 108 (7.2) |
Irritated, stuffy, or runny nose | 1020 (68.3) | 278 (18.6) | 144 (9.7) | 37 (2.5) | 14 (0.9) | 195 (13.1) |
Cough and sneezes | 991 (66.4) | 310 (20.7) | 152 (10.2) | 28 (1.9) | 12 (0.8) | 192 (12.9) |