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Table 2 Postoperative vs. preoperative comparison

From: Analgesic benefits of pre-operative versus postoperative transversus abdominis plane block for laparoscopic cholecystectomy: a frequentist network meta-analysis of randomized controlled trials

 

k

 

MD (95% CI)

p-value

I2

Tau2

MME 24 h

25

Preoperative

2.02 (0.87;3.18)

< 0.001

98.6%

1.124

Control

3.86 (2.90;44,82)

< 0.001

Pain (0–3)

28

Preoperative

0.17 (−0.49;0.83)

0.621

97.8%

0.661

Control

1.70 (1.13;2.27)

< 0.001

Pain 12 h

21

Preoperative

0.30 (−0.44; 1.03)

0.429

93.6%

0.697

Control

1.43 (0.81;2.05)

< 0.001

Pain 24 h

26

Preoperative

0.36 (−0.14;0.87)

0.157

96.3%

0.356

Control

1.06 (0.62;1.50)

< 0.001

 

k

 

OR (95% CI)

p-value

I2

Tau2

PONV

21

Preoperative

2.21 (1.20;4.08)

0.011

37.8%

0.197

Control

2.26 (1.36;3.76)

0.002

  1. Postoperative TAP block is the reference group. “k” refers to the number of studies included in the analysis
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BMC Anesthesiology

ISSN: 1471-2253

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