Groups

Before

intervention

After

intervention

Δ

K1

67.86 ± 12.20

57.14 ± 12.20

−10.72 ± 13.36

K2

71.43 ± 9.45

57.14 ± 12.20

−14.29 ±13.36

K3

60.72 ± 13.36

60.71 ± 13.36

0.00 ± 20.41

K4

53.57 ± 9.45

64.29 ± 13.36

10.71 ± 13.36

K5

60.72 ± 13.36

64.29 ± 13.36

3.57 ± 17.25

K6

53.57 ±9.45

64.29 ± 28.35

17.85 ± 12.20