Table 2.

The distribution of prevalence (%) basing on the score obtained by each questionnaire before and after thyroidectomy and the statistical differences obtained by comparing preoperative prevalence to each postoperative ones and early postoperative prevalence to the late one

Score	Pre-operative	1 month PO	3 months PO	p
VIS
No dysphonia	8 (20%)	9 (22.5%)	5 (12.5%)	ns
Mild	22 (55%)	27 (67.5%)	30 (75%)	ns
Moderate	7 (17.5%)	7 (17.5%)	3 (7.5%)	ns
Severe	3 (7.5%)	7 (17.5%)	1 (2.5%)	ns
Very severe	0	0	1 (2.5%)	ns
mMRC
0	15 (37.5%)	33 (82.5%)*	40 (100%)*
Mild	12 (30%)	6 (15%)*	0*
Moderate	3 (7.5%)	1 (2.5%)	0	ns
Severe	5 (12.5%)	0*	0*
Very severe	5 (12.5%)	0*	0*
SIS
No dysphagia	2 (5%)	14 (35%)*	17 (42.5%)*
Mild	25 (62.5%)	27 (67.5%)	20 (50%)	ns
Moderate	10 (25%)	7 (17.5%)	2 (5%)*§
Severe	3 (7.5%)	1 (2.5%)	1 (2.5%)	ns
Very severe	0	1 (2.5%)	0	ns
EAT-10
No dysphagia	29 (72.5%)	36 (90%)*	39 (97.5%)*
Mild	9 (22.5%)	3 (7.5%)	1 (2.5%)*
Moderate	2 (5%)	1 (2.5%)	0	ns
Severe	0	0	0	ns
Gerd-Q
<8	36 (90%)	38 (95%)	39 (97.5%)	ns
>8	4 (10%)	2 (5%)	1 (2.5%)*
RSI
<15	32 (80%)	35 (87.5%)	39 (97.5%)*
>15	8 (20%)	5 (12.5%)	1 (2.5%)*

PO postoperative

*p < 0.05 vs pre-operative