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Table 4 Common opioid-related side effects (sedative effect, nausea/vomiting, and pruritus)

From: Comparison of intrathecal low-dose bupivacaine and morphine with intravenous patient control analgesia for postoperative analgesia for video-assisted thoracoscopic surgery

Variables

Group M (n=30)

Group B (n=30)

Group C (n=30)

P-valuea

Sedative effect

 Having sedative event within 48 h, n (%)

0

0

0

-

Pruritus

 Having pruritus within 48 h post-operation, n (%)

3 (10)

2 (6.6)

0

0.227

  No symptom

0

0

0

-

  Having symptom without treatment

3

2

0

0.227

  Having symptom with treatment

0

0

0

-

Nausea/Vomiting

 Having nausea/vomiting within 48 h post-operation, n (%)

11 (36.7)

10 (33.3)

9 (30)

0.861

  No symptom

1 (9.1)

1 (10)

1 (11.1)

0.840

  Having symptom without treatment

7(63.6)

4 (40)

4 (44.4)

0.840

  Having symptom with treatment

3 (27.3)

5 (50)

4 (44.4)

0.840

Urinary retention

 48 h incidence

0

0

0

-

 Re-insertion of urinary catheter

0

0

0

-

  1. aChi-squared test or Fisher’s exact tests