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Table 2 Length of stay, opioid use and NRS scores

From: Erector spinae plane block improves postoperative recovery after laminectomy and discectomy surgery: a retrospective cohort study

 

Laminectomy 1 level (n = 223)

Laminectomy multilevel (n = 111)

Discectomy (n = 84)

ESB yes (n = 73)

ESB no (n-150)

p- value

ESB yes (n = 31)

ESB no (n = 80)

p-value

ESB yes (n = 22)

ESB no (n = 62)

p-value

Median of LOS (IQR) in hrs

29 (27–50)

53 (51–55)

 < .001

49 (31–54)

54 (52–75)

 < .001

27 (25–30)

29 (28–49)

.04

Mean of sufentanil ± SD (mcg)

19 ± 6

19 ± 5

.401

20 ± 5

20 ± 5

.998

17 ± 5

19 ± 5

.127

Mean of morphine at PACU ± SD (mg)

9 ± 5

9 ± 4

.740

11 ± 6

10 ± 5

.510

8 ± 5

9 ± 3

.399

Mean of OME OR/PACU ± SD

53 ± 20

52 ± 22

.585

      

Median of OME OR/PACU (IQR)

   

50 (40–70)

55 (40–70)

.572

50 (39–62)

52 (50–64)

.715

PCA morphine (yes) n, (%)

3 (4)

7 (5)

1.000

2 (7)

4 (5)

.671

1 (5)

5 (8)

1.000

Median of oxycodone 48 h (IQR) in mg

10 (5–30)

10 (5–20)

.401

10 (5–15)

15 (5–20)

.201

10 (3–13)

13 (6–20)

.186

Mean NRS start PACU ± SD

2.0 ± 1.8

2.2 ± 2.4

.567

1.3 ± 1.8

2.2 ± 2.2

.106

2.6 ± 2.4

2.5 ± 2.3

.871

Mean NRS end PACU ± SD

2.5 ± 1.9

2.9 ± 2.2

.277

2.4 ± 1.8

2.8 ± 2.3

.451

   

Median NRS end PACU (IQR)

      

3 (2–3)

3(2–3)

.432

Mean NRS 3 h ± SD

3.6 ± 2.1

3.3 ± 2.2

.455

3.4 ± 2.1

3.4 ± 2.2

.921

3.4 ± 1.6

3.8 ± 2.3

.567

Mean NRS 6 h ± SD

3.6 ± 2

3.7 ± 2.2

.802

2.2 ± 1.8

3.2 ± 2.5

.219

2.3 ± 1.2

4.0 ± 2.2

.031

Mean NRS 12 h ± SD

3.5 ± 2.0

3.9 ± 2.5

.264

2.9 ± 2.2

3.7 ± 2.2

.156

4.8 ± 2.4

3.6 ± 2.4

.065

Mean NRS 24 h ± SD

3.8 ± 2.4

3.5 ± 2.4

.527

2.8 ± 1.9

3.6 ± 2.5

.132

5.7 ± 2.0

4.2 ± 2.3

.141

  1. An independent samples T-test or Mann- Whitney U-test was used to compare means; for categorical variables a Fisher’s exact test was used
  2. LOS Length of Stay, IQR Inter Quartile Range, PCA Patient Controlled Analgesia, NRS Numeric Rating Scale