Duration

Pain severity using NRS

Bupivacaine N (%)

Bupivacaine + Morphine N (%)

P-value

24 hrs

No pain

Mild

Moderate

Severe

0

6 (20.0)

21 (70.0)

3 (10.0)

10 (33.3)

20 (66.7)

0

0

^b<0.001

48 hrs

No pain

Mild

Moderate

Severe

0

10 (33.3)

20 (66.7)

0

6 (20.0)

24 (80.0)

0

0

^b0.017

72 hrs

No pain

Mild

Moderate

Severe

0

22 (73.3)

8 (26.7)

0

0

25 (83.3.0)

5 (16.7)

0

^b0.376