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Ain-Shams Journal of Anesthesiology

Table 3 Postoperative NRS scores among the study groups

From: Comparison of analgesic efficacy of perineural dexamethasone in rectus sheath block and intravenous dexamethasone with levobupivacaine in bilateral rectus sheath block for patients undergoing midline abdominal surgery: a randomized controlled trial

Variable

Time

Group A (n = 35)

Group B (n = 35)

Group C (n = 35)

p-value

NRS at rest median (1st–3rd IQR)

0 h

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

NA

2nd h

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

NA

4th h

0.0 (1.0–2.0)

0.0 (0.0–1.0)

0.0 (0.0–1.0)

 < 0.001^*

6th h

3.0 (3.0–3.0)

1.0 (0.0–1.0)

1.0 (1.0–2.0)

 < 0.001^*

8th h

4.0 (3.0–4.0)

1.0 (1.0–2.0)

2.0 (2.0–2.0)

 < 0.001^*

10th h

3.0 (2.0–3.0)

2.0 (1.0–2.0)

3.0 (3.0–3.0)

 < 0.001^*

12th h

3.0 (3.0–4.0)

2.0 (2.0–3.0)

4.0 (4.0–4.0)

 < 0.001^*

16th h

3.0 (3.0–4.0)

4.0 (4.0–4.0)

3.0 (3.0–4.0)

0.056^

20th h

3.0 (3.0–4.0)

4.0 (3.0–4.0)

4.0 (3.0–4.0)

0.132^

24th h

4.0 (4.0–5.0)

4.0 (4.0–5.0)

5.0 (4.0–5.0)

0.431^

NRS at cough median (1st–3rd IQR)

0 h

0.0 (0.0–0.0)

0.0 (0.0–0.0)

0.0 (0.0–0.0)

NA

2nd h

1.0 (0.0–1.0)

0.0 (0.0–0.0)

0.0 (0.0–1.0)

 < 0.001^*

4th h

3.0 (2.0–3.0)

1.0 (0.0–2.0)

2.0 (1.0–2.0)

 < 0.001^*

6th h

4.0 (4.0–5.0)

2.0 (1.0–2.0)

2.0 (2.0–3.0)

 < 0.001^*

8th h

5.0 (4.0–5.0)

2.0 (2.0–3.0)

3.0 (3.0–4.0)

 < 0.001^*

10th h

4.0 (4.0–4.0)

3.0 (3.0–4.0)

4.0 (4.0–5.0)

 < 0.001^*

12th h

4.0 (4.0–5.0)

4.0 (3.0–4.0)

4.0 (3.0–4.0)

 < 0.001^*

16th h

4.0 (4.0–5.0)

4.0 (3.0–5.0)

5.0 (4.0–5.0)

0.066^

20th h

4.0 (4.0–6.0)

4.0 (4.0–5.0)

4.0 (3.0–5.0)

0.207^

24th h

5.0 (4.0–6.0)

4.0 (4.0–5.0)

4.0 (4.0–6.0)

0.316^

  1. NRS, numerical rating scale; IQR interquartile range. Data presented as median (1st–3rd IQR). NRS numerical rate scale. ^Kruskal–Wallis test. *P < 0.05 is statistically significant
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