Table 3 Reflux finding scores among studied patients and reflux finding score severity at baseline and follow-up

Subglottic edema: no.

41 (61.2%)

13 (19.4%)

0.000*

 Mean ± SD

1.22 ± 0.98

0.39 ± 0.80

 Median (range)

2.0 (0.0–2.0)

0.0 (0.0–2.0)

0.000*

Ventricular obliteration: no.

67 (100%)

15 (22.4%)

0.000*

 Mean ± SD

2.06 ± 0.34

0.48 ± 0.93

 Median (range)

2.0 (2.0–4.0)

0.0 (0.0–4.0)

0.000*

Erythema or hyperemia: no.

67 (100%)

67 (100%)

--

 Mean ± SD

3.91 ± 0.42

2.45 ± 0.84

 Median (range)

4.0 (2.0–4.0)

2.0 (2.0–4.0)

0.000*

Vocal fold edema: no.

67 (100%)

67 (100%)

--

 Mean ± SD

1.70 ± 0.70

1.25 ± 0.53

 Median (range)

2.0 (1.0–3.0)

1.0 (1.0–3.0)

0.000*

Diffuse laryngeal edema: no.

67 (100%)

67 (100%)

--

 Mean ± SD

1.39 ± 0.70

1.22 ± 0.42

 Median (range)

1.0 (1.0–3.0)

1.0 (1.0–2.0)

0.001*

Posterior commissure hypertrophy: no.

67 (100%)

67 (100%)

--

 Mean ± SD

1.51 ± 0.80

1.25 ± 0.50

 Median (range)

1.0 (1.0–3.0)

1.0 (1.0–3.0)

0.000*

Granuloma or granulation: no.

30 (44.8%)

3 (4.5%)

0.000*

 Mean ± SD

0.87 ± 0.98

0.09 ± 0.42

 Median (range)

0.0 (0.0–2.0)

0.0 (0.0–2.0)

0.000*

Thick endolaryngeal mucus: no.

49 (73.1%)

12 (17.9%)

0.000*

 Mean ± SD

1.46 ± 0.89

0.36 ± 0.77

 Median (range)

2.0 (0.0–2.0)

0.0 (0.0–2.0)

0.000*

 Mean ± SD

14.12 ± 2.87

7.49 ± 4.80

 Median (range)

14.0 (10.0–21.0)

5.0 (5.0–20.0)

0.000*