Table 2 Comparison of VAS measurements between patients with traction and patients without traction

P1^a

(Mean ± SD^b) (range)

6.2 ± 1.4

(2.8–10)

6.1 ± 1.6

(2.8–10)

6.2 ± 1.1

(3.9–9.2)

10.8

0.90

P2^c

(Mean ± SD) (range)

4.9 ± 1.1

(2.5-7.0)

5 ± 1.0

(2.5-7.0)

4.8 ± 1.0

(2.5-7.0)

0.19

0.24

P3^d

(Mean ± SD) (range)

3.7 ± 1.3

(0.4–6.6)

3.6 ± 1.2

(0.6–6.6)

3.8 ± 1.3

(0.4–6.5)

0.06

0.16

P-value within each group over time

< 0.001

< 0.001

< 0.001