Analysis of voice quality in patients with late-onset Pompe disease

Table 3 Video-laryngoscopic examination results in patients with late-onset Pompe disease

ID	Larynx diagnosis	Age of dysphonia/duration	GRBAS	MPT	Vestibulum of larynx	Vocal folds	Arytenoid area
1	N	No	00000	6 s.	N	GI pp, VF thickened, thick mucus	Min. C
2	N	No	00000	8 s.	N	Min. VF thickened	N
3	GI Laryngeal tremor	No data	00100	10 s.	N	GI mp, VF tremor thick mucus on VF	C, O
4	N	No data	10100	4 s.	N	VFC, mucus on VF	N
5	Hyperfunctional dysphonia	No data	00001	10 s.	Phonation of VsP	N	C
6	No data	No data	No data	No data	No data	No data	No data
7	GI	4 H, silent soundless matte V	00220	12 s.	N	GI mp	Min. C, O
8	GI	13/0.1, silent soundless matte V	10110	12 s.	N	GI mp	C, O, mucus retention
9	N	No	00000	20 s.	N	N	N
10	GI Laryngitis posterior	25/10 H	10000	15 s.	N	GI	C, O Laryngitis posterior
11	N	No	00000	15 s	N	N	N
12	GI	30/8 morning H cough	00000	18 s.	N	GI mp	Min. C
13	No data	No data	No data	No data	No data	No data	No data
14	GI	37/10	00110	8 s.	Enlarged rVsF covers rVF	GI Oblique orientation of glottis.	N
15	GI	No V fatigue	00110	11 s.	N	GI mp. VF C	C, O
16	N	No	00100	5 s.	N	VF thickened, tremor	Min. C, O
17	GI	38/4	00100	22 s.	N	GI mp	C, O
18	GI	No V fatigue	10000	5 s.	N	GI mp	Min. C. As. r aryt. Moved forward
19	GI	No data	00100	4 s.	N	GI mp	N

Table 3. GI - Glottal insufficiency; VF – vocal folds; VsF – vestibular folds; C – congestion; O - oedema; mp - middle part of the glottis; Min. – minimal; H – hoarseness; V – voice; r – right; N – normal, MPT –maximum phonation time

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