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Table 1 The comparison of parameters between the experiment group and the control group after 4, 6 and 8 weeks after operation (\(\overline{x} \pm s\), %)

From: Early diagnosis of spinal tuberculosis by magnetic resonance: perfusion weighted imaging in a rabbit model

Parameter

Group

4 weeks

6 weeks

8 weeks

F

P

Efirst

Experiment group (n = 26)

0.94 ± 0.37

1.51 ± 0.29

1.95 ± 0.43

58.060

0.000

Control group (n = 9)

0.34 ± 0.26

0.55 ± 0.23

0.93 ± 0.14

58.138

0.000

t

7.311

14.213

12.556

139.699

0.000

P

0.000

0.000

0.000

Vfirst

Experiment group (n = 26)

0.96 ± 0.27

1.26 ± 0.15

1.95 ± 0.23

155.370

0.000

Control group (n = 9)

0.48 ± 0.15

0.57 ± 0.12

0.85 ± 0.19

45.589

0.000

t

8.685

19.304

20.456

182.234

0.000

P

0.000

0.000

0.000

Ee

Experiment group (n = 26)

0.75 ± 0.15

0.97 ± 0.13

1.32 ± 0.32

52.591

0.000

Control group (n = 9)

0.73 ± 0.16

0.75 ± 0.15

0.95 ± 0.11

22.037

0.000

t

0.490

5.941

5.988

74.540

0.000

P

0.626

0.000

0.000

Ve

Experiment group (n = 26)

1.00 ± 0.22

1.21 ± 0.17

1.33 ± 0.20

20.786

0.000

Control group (n = 9)

0.95 ± 0.12

0.90 ± 0.13

0.84 ± 0.12

5.832

0.004

t

1.181

7.956

11.458

7.474

0.001

P

0.243

0.000

0.000

PH

Experiment group (n = 26)

941.00 ± 109.27

1448.67 ± 175.97

2191.47 ± 1002.39

33.977

0.000

Control group (n = 9)

749.00 ± 91.01

1042.67 ± 128.89

1148.93 ± 105.62

107.130

0.000

t

7.394

10.195

5.665

56.998

0.000

P

0.000

0.000

0.000

TTP

Experiment group (n = 26)

31.06 ± 1.03

33.53 ± 1.45

38.61 ± 4.93

95.791

0.000

Control group (n = 9)

33.42 ± 1.45

38.92 ± 1.70

42.71 ± 4.68

79.754

0.000

t

7.288

8.910

0.881

135.660

0.000

P

0.000

0.000

0.382

MSI

Experiment group (n = 26)

1.07 ± 0.23

1.49 ± 0.29

1.92 ± 0.47

45.506

0.000

Control group (n = 9)

0.83 ± 0.29

1.08 ± 0.25

1.19 ± 0.15

17.609

0.000

t

3.608

5.903

8.124

77.663

0.000

P

0.001

0.000

0.000

Emax

Experiment group (n = 26)

1.18 ± 0.28

1.69 ± 0.56

2.84 ± 0.80

63.471

0.000

Control group (n = 9)

0.86 ± 0.19

1.44 ± 0.49

1.61 ± 0.42

31.296

0.000

t

5.255

1.858

7.533

98.108

0.000

P

0.000

0.068

0.000

SER

Experiment group (n = 26)

1.02 ± 0.29

1.52 ± 0.39

1.94 ± 0.50

39.373

0.000

Control group (n = 9)

0.87 ± 0.24

1.04 ± 0.25

1.20 ± 0.25

14.192

0.000

t

2.159

5.606

7.228

57.121

0.000

P

0.035

0.000

0.000

washout

Experiment group (n = 26)

13.00 ± 4.87

16.07 ± 4.07

31.82 ± 4.50

151.756

0.000

Control group (n = 9)

19.70 ± 5.04

18.19 ± 4.20

23.23 ± 6.56

7.012

0.002

t

5.234

1.985

5.916

118.766

0.000

P

0.000

0.052

0.000

  1. Efirst First-pass enhancement rate, Vfirst First-pass enhancement velocity, Ee Early enhancement rate, Ve Early enhancement velocity, PH peak height, TTP time to peak, MSI maximum slope of increase, Emax Maximum signal enhancement rate, SER Signal enhancement ratio