Table 3.
Comparative analysis of treatment outcome on laryngoscopic findings of laryngopharyngeal reflux
| Reflux finding score (RFS) | Group A | Group B | Significance of difference between Group A & B post treatment mean (P value) | ||||
|---|---|---|---|---|---|---|---|
| Pre treatment mean ± SD | 8 weeks post treatment mean ± SD | Significance of difference between pre and post treatment mean (P value) | Pre treatment mean ± SD | 8 weeks post treatment mean ± SD | Significance of difference between pre and post treatment mean (P value) | ||
| Pseudosulcus vocalis | – | – | – | – | – | – | – |
| Ventricular obliteration | 1.08 ± 1.08 | 0.92 ± 1.01 | 0.4460 | 1.04 ± 0.92 | 0.16 ± 0.54 | < 0.0001b | < 0.0001b |
| Erythema/hyperemia | 3.28 ± 1.05 | 3.24 ± 1.06 | 0.8500 | 3.04 ± 1.22 | 0.48 ± 0.86 | < 0.0001b | < 0.0001b |
| Vocal fold oedema | 0.78 ± 0.93 | 0.54 ± 0.73 | 0.1544 | 0.884 ± 0.71 | 0.16 ± 0.37 | < 0.0001b | 0.0014b |
| Diffuse laryngeal oedema | 1.56 ± 1.07 | 1.34 ± 1.02 | 0.2952 | 1.76 ± 0.71 | 0.54 ± 0.57 | < 0.0001b | < 0.0001b |
| Posterior commissure hypertrophy | 2.40 ± 0.63 | 2.26 ± 0.72 | 0.3033 | 2.42 ± 0.61 | 1.48 ± 0.73 | < 0.0001b | < 0.0001b |
| Granuloma/granulation | – | – | – | – | – | – | – |
| Thick endolaryngeal mucus | 0.40 ± 0.80 | 0.36 ± 0.77 | 0.7995 | 0.60 ± 0.92 | 0.20 ± 0.61 | 0.0119a | 0.2522 |
aModerately significant (P value:0.01 < P < 0.05)
bStrongly significant (P value: P < 0.01)