Table 2 Data referring to subjective acoustic analysis (VHI).

From: Comparison between transoral laser surgery and radiotherapy in the treatment of early glottic cancer: A systematic review and meta-analysis

Study

Transoral surgery

Radiotherapy

n

mean ± SD

n

mean ± SD

Loughran et al.23

15

25,4 ± 24,7

18

22,2 ± 24,6

Sjogrenet al.11

18

17,6 ± 8,0

15

19,2 ± 11,0

Peeters et al.24

52

18

40

12

Laoufi et al.25

43

13

30

29

Goor et al.26

42

10,6

23

17,1

Kono et al.9

37

12,6 ± 3,2

27

29,3 ± 4,9

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