Table 2 Comparison of peak velocity of blood flow between two groups in TCD examination (\( \overline{\mathrm{x}} \) ± s, cm/s)

Observation group (n = 80)

Left

60.52 ± 9.45^a

78.64 ± 10.46^a

48.78 ± 8.42^a

44.52 ± 5.56^a

33.64 ± 10.12^a

Right

60.56 ± 10.24^a

80.56 ± 9.14^a

48.36 ± 9.12^a

33.95 ± 11.12^a

Control group (n = 80)

Left

74.13 ± 9.46

89.00 ± 10.12

57.23 ± 6.03

53.12 ± 8.46

45.13 ± 9.36

Right

75.00 ± 9.12

89.45 ± 10.72

57.16 ± 6.17

43.25 ± 9.69