No of patient with backache

Group TDC

(n = 65)

Group TDK

(n = 65)

Chi-square

N

%

N

%

X²

P-value

After 24 hours post spinal

10

15.4

3

4.6

4.188

0.041*

After 48 hours post spinal

4

6.2

2

3.1

0.699

0.403

After 2 weeks post spinal

1

1.5

1

1.5

0.000

1.000