Table 5 Average largest eigenvalues and confidence intervals of left and right swing intervals

Left swing interval

 HC

5.9875 ± 1.0132

2.7660e−13

(5.4476, 6.5274)

(5.2411, 6.7339)

 PD

6.2174 ± 0.8175

5.3718e−14

(5.7647, 6.6701)

(5.5891, 6.8458)

 HD

6.4782 ± 0.9651

1.7884e−17

(6.0266, 6.9299)

(5.8608, 7.0956)

 ALS

6.3764 ± 1.0848

7.0810e−11

(5.7209, 7.0320)

(5.4574, 7.2954)

Right swing interval

 HC

6.3076 ± 1.1803

1.2009e−12

(5.6786, 6.9365)

(5.4380, 7.1771)

 PD

6.5289 ± 1.2089

5.8534e−12

(5.8594, 7.1983)

(5.5997, 7.4581)

 HD

6.5297 ± 0.9547

1.2600e−17

(6.0829, 6.9765)

(5.9190, 7.1404)

 ALS

6.6049 ± 1.0707

4.0205e−11

(5.9579, 7.2519)

(5.6979, 7.5120)