Table 8 Laryngoscopy findings associated with the SP sign
Parameter | SP sign (+) (n = 16) | SP sign (−) (n = 32) | P value |
|---|---|---|---|
Age, years | 44.2 ± 3.1 | 50.0 ± 3.0 | .223 |
Sex, n (%) | .147 | ||
Male | 7 (44%) | 21 (66%) | |
Female | 9 (56%) | 11 (34%) | |
BMI, kg/m2 | 25.0 ± 1.0 | 22.5 ± 0.8 | .060 |
Smoking status, n (%) | .404 | ||
Current or former smoker | 5 (31%) | 14 (44%) | |
Never smoker | 11 (69%) | 18 (56%) | |
Laryngoscopy finding, n (%) | |||
Epiglottis cyst | 2 (13%) | 0 (0%) | .106 |
Vocal cord/throat nodule/tumor | 4 (25%) | 7 (22%) | 1.000 |
Hypertrophy of tonsils/adenoids | 4 (25%) | 3 (9%) | .195 |
Chronic pharyngitis/normal | 6 (37%) | 22 (69%) | .038 |