Table 5 Endoscopic findings case and control groups
Endoscopic finding | Cases (N = 54) | Control (N = 56) | χ2 (DF)*, p value |
|---|---|---|---|
Normal | 35 (64.8%) | 51 (91.1%) | 12.24 (5), 0.03* |
Mild congestion | 6 (11.1%) | 3 (5.3%) | |
Vocal fold hypertrophy | 4 (7.3%) | 1 (1.8%) | |
Nodules | 1 (1.9%) | 0 (0%) | |
Congestion and vocal fold hypertrophy | 7 (13%) | 1 (1.8%) | |
Congestion and nodule | 1 (1.9%) | 0 (0%) |