Group

Cases

Pre-OP

Post-OP

Post-OP (1 d)

Post-OP (3 d)

Post-OP (30 d)

Post-OP (90 d)

A

30

8.24 ± 1.37

3.01 ± 1.06

2.83 ± 0.87

2.04 ± 0.46

1.05 ± 0.54

0.78 ± 0.67

B

30

7.98 ± 1.25

2.13 ± 0.84

1.75 ± 0.68

1.07 ± 0.24

1.00 ± 0.47

0.69 ± 0.45

P Value

0.4457

0.007

<0.0001

<0.0001

0.7035

0.5437