Table 1.

Data referring to objective acoustic analyses.

Study	Transoral surgery					Radiotherapy
	n	MPT	FO	Jitter	Shimmer	n	MPT	FO	Jitter	Shimmer
Cragle et al.18	11	16	—	0.32	13.14	20	17.5	—	0.44	16.46
McGuirt et al.19	11	15.8	157	0.74	—	13	19.3	136	0.84	—
Sjogren et al.11	18	16.2	156	0.45	4.36	15	14.5	145	1.0	5.20
Jotic A et al.7	19	—	165.5	0.68	6.82	15	—	161.4	0.68	6.9
Tamura et al.21	14	14.3 ± 6.5	169.1 ± 37.8	1.1 ± 0.8	3.8 ± 1.6	6	18.1 ± 4.4	160 ± 43.2	0.9 ± 0.6	2.8 ± 1.8
Wedman et al.20	15	—	144 ± 20	8.7 ± 2.4	1.3 ± 0.3	9	—	137 ± 12	8.4 ± 1.7	1.5 ± 0.3
Nunes Batalla et al.22	19	11.8 ± 5.3	173.4 ± 47.4	0.4 ± 0.2	5.1 ± 4.7	18	8.6 ± 3.2	199.0 ± 51.5	0.7 ± 0.9	4.1 ± 4.0
Van Gogh et al.6	55	—	141 ± 33	0.5 ± 0.5	5.3 ± 3.2	36	—	124 ± 29	0.6 ± 0.6	5.8 ± 3.8
Milovanovic et al.8	72	15.3 ± 2.1	162.4 ± 14.7	1.1 ± 0.1	3.7 ± 0.3	75	17.6 ± 2.1	159.7 ± 14.1	0.9 ± 0.1	2.8 ± 0.6
Kono et al.9	37	14.5 ± 4.2	180.6 ± 16.6	4.1 ± 0.6	7.4 ± 1.1	27	18.1 ± 4.7	167.2 ± 11.1	1.6 ± 0.3	3.4 ± 0.4