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Table 4 Association between ITMB and postoperative NRS score ≤ 3 at rest and during coughing in the PACU and ward

From: Analgesic efficacy of intrathecal morphine and bupivacaine during the early postoperative period in patients who underwent robotic-assisted laparoscopic prostatectomy: a prospective randomized controlled study

 

β

Odds ratio

95% CI

p

At 1 h after surgery (in the PACU)

NRS score ≤ 3 at rest

IV-PCA alone

Reference

   

ITMB and IV-PCA

2.746

15.583

3.583–67.784

 < 0.001

ITMB and IV-PCAa

2.092

8.098

1.258–52.133

0.028

NRS score ≤ 3 during coughing

IV-PCA alone

Reference

   

ITMB and IV-PCA

3.258

26.0

3.032–222.928

0.003

ITMB and IV-PCAa

2.610

13.593

1.344–137.478

0.027

At 6 h after surgery (in the ward)

NRS score ≤ 3 at rest

IV-PCA alone

Reference

   

ITMB and IV-PCA

3.045

21.0

4.924–89.561

 < 0.001

ITMB and IV-PCAa

1.713

5.547

0.804–38.249

0.082

NRS score ≤ 3 during coughing

IV-PCA alone

Reference

   

ITMB and IV-PCA

2.072

7.944

1.884–33.498

0.005

ITMB and IV-PCAa

− 0.030

0.971

0.133–7.079

0.976

At 24 h after surgery (in the ward)

NRS score ≤ 3 at rest

IV-PCA alone

Reference

   

ITMB and IV-PCA

1.689

5.412

1.017–28.791

0.048

ITMB and IV-PCAa

0.572

1.771

0.219–14.329

0.592

NRS score ≤ 3 during coughing

IV-PCA alone

Reference

   

ITMB and IV-PCA

1.738

5.687

1.51–21.424

0.01

ITMB and IV-PCAa

0.776

2.172

0.439–10.745

0.342

  1. IV-PCA intravenous patient-controlled analgesia, CI confidence interval
  2. aAfter adjustment for cumulative IV opioid consumption