Table 1 Comparison between the two groups regarding real-time pitch software

 Range

189.60–338.23

249.07–339.48

0.592

 Means ± SD

281.40 ± 38.72

286.36 ± 24.55

0.556 NS

 Range

182.43–333.77

248.46–336.07

1.182

 Means ± SD

274.14 ± 38.58

283.93 ± 23.88

0.242 NS

 Range

44.47–220.38

40.52–187.54

3.885

 Means ± SD

146.74 ± 49.44

98.71 ± 46.28

0.001*

 Range

93.85–290.57

121.63–272.51

1.950

 Means ± SD

204.59 ± 50.83

226.68 ± 35.62

0.056 NS

 Range

250.30–396.30

263.41–390.72

2.266

 Means ± SD

351.33 ± 45.16

327.09 ± 37.34

0.027*

 Range

12.23–58.81

11.31–45.29

4.886

 Means ± SD

39.36 ± 14.52

23.67 ± 9.93

0.001*

 Range

3.00–17.00

2.00–15.00

3.429

 Means ± SD

9.73 ± 4.21

6.37 ± 3.35

0.001*

 Range

41.80–74.27

40.46–65.73

3.506

 Means ± SD

57.62 ± 7.04

51.16 ± 7.25

0.001*

 Range

4.41–37.44

4.71–32.29

1.650

 Means ± SD

19.78 ± 8.88

16.21 ± 7.81

0.104 NS

 Range

28.35–62.06

28.41–57.14

2.123

 Means ± SD

43.84 ± 9.32

39.45 ± 6.42

0.039 NS

 Range

43.67–80.67

42.45–71.57

3.700

 Means ± SD

63.61 ± 7.62

55.72 ± 8.85

0.001*

 Range

1.32–4.86

1.04–7.71

0.137

 Means ± SD

3.13 ± 1.23

3.07 ± 1.83

0.891 NS