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Methodological quality graph: review authors' judgements about each methodological quality item presented as percentages across all included studies.
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Figure 1

Methodological quality graph: review authors' judgements about each methodological quality item presented as percentages across all included studies.

Methodological quality summary: review authors' judgements about each methodological quality item for each included study.
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Figure 2

Methodological quality summary: review authors' judgements about each methodological quality item for each included study.

Forest plot of comparison: 1 Laparoscopic surgery versus no surgery, outcome: 1.1 Pain better or improved.
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Figure 3

Forest plot of comparison: 1 Laparoscopic surgery versus no surgery, outcome: 1.1 Pain better or improved.

Comparison 1 Laparoscopic surgery versus no surgery, Outcome 1 Pain better or improved.
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Analysis 1.1

Comparison 1 Laparoscopic surgery versus no surgery, Outcome 1 Pain better or improved.

Comparison 1 Laparoscopic surgery versus no surgery, Outcome 2 Pain scores.
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Analysis 1.2

Comparison 1 Laparoscopic surgery versus no surgery, Outcome 2 Pain scores.

Comparison 1. Laparoscopic surgery versus no surgery

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Pain better or improved Show forest plot

3

Peto Odds Ratio (Peto, Fixed, 95% CI)

Subtotals only

1.1 After 3 months

1

63

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.36 [0.51, 3.64]

1.2 After 6 months

3

171

Peto Odds Ratio (Peto, Fixed, 95% CI)

5.72 [3.09, 10.60]

1.3 After 12 months

1

69

Peto Odds Ratio (Peto, Fixed, 95% CI)

7.72 [2.97, 20.06]

2 Pain scores Show forest plot

1

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

2.1 6 months

1

16

Mean Difference (IV, Fixed, 95% CI)

0.90 [0.31, 1.49]

2.2 12 months

1

16

Mean Difference (IV, Fixed, 95% CI)

1.65 [1.11, 2.19]

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Comparison 1. Laparoscopic surgery versus no surgery