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Table 4 Reviews assessing laparoscopic interventions

From: Risk of bias judgements and strength of conclusions in meta-evidence from the Cochrane Colorectal Cancer Group

Review title

Studies

Patients

Rec.

RSG (% low risk)

AC (% low risk)

BPP (% low risk)

BOA (% low risk)

IOD (% low risk)

SR (% low risk)

OB (% low risk)

Evidence commentary

Closure methods for laparotomy incisions for preventing incisional hernias and other wound complications

55

19,174

I-T

25

27

22

N/A

69

93

84

Based on this moderate-quality body of evidence…

Closure methods of the appendix stump for complications during laparoscopic appendectomy

8

850

N-F

50

25

0

13

63

0

75

Evidence is insufficient at present…

Energy source instruments for laparoscopic colectomy

6

515

N-F

50

83

N/A

N/A

100

100

67

With the current evidence it is not possible…

Gases for establishing pneumoperitoneum during laparoscopic abdominal surgery

7

340

N-T

29

29

57

71

57

71

57

No comment

Hand assisted laparoscopic surgery versus conventional laparoscopy for colorectal surgery

3

189

I-T

N/A

67

0

0

67

67

N/A

No comment

Heated insufflation with or without humidification for laparoscopic abdominal surgery

22

1428

I-F

55

59

74

74

82

86

86

No comment

Laparoscopic techniques versus open techniques for inguinal hernia repair

40

6205

I-T

N/A

48

N/A

N/A

N/A

N/A

N/A

No comment

Laparoscopic versus open resection for sigmoid diverticulitis

3

392

N-F

67

67

0

0

33

67

N/A

evidence to support or refute … is insufficient.

Laparoscopic versus Open surgery for small bowel Crohn’s disease

4

249

I-T

0

50

0

0

N/A

100

0

No comment

Laparoscopic versus open surgery for suspected appendicitis

66

7148

I-T

37

63

13

13

49

15

57

In spite of the mediocre quality of the available research data, we would generally recommend…

Laparoscopic versus open surgery in small bowel obstruction

0

0

N-F

N/A

N/A

N/A

N/A

N/A

N/A

N/A

..data from retrospective clinical controlled trials..

Laparoscopic versus open surgical techniques for ventral or incisional hernia repair

10

880

N-T

60

70

0

0

50

20

30

No comment

Laparoscopic versus open total mesorectal excision for rectal cancer

48

4067

I-T

N/A

0

N/A

N/A

N/A

N/A

N/A

Based on evidence mainly from non-randomized studies…

Long-term results of laparoscopic colorectal cancer resection

12

3346

I-T

N/A

58

N/A

N/A

N/A

N/A

N/A

No comment

Open versus laparoscopic (assisted) ileo pouch anal anastomosis for ulcerative colitis and familial adenomatous polyposis

11

673

I-T

N/A

9

N/A

N/A

N/A

N/A

N/A

No comment

Short term benefits for laparoscopic colorectal resection

24

3474

I-F

N/A

28

N/A

N/A

N/A

N/A

N/A

No comment

Transabdominal pre-peritoneal (TAPP) vs totally extraperitoneal (TEP) laparoscopic techniques for inguinal hernia repair

10

19,738

N-F

N/A

N/A

N/A

N/A

N/A

N/A

N/A

There is insufficient data.

  1. I-F informs clinical practicefirm, I-T informs clinical practicetempered, N-T does not inform clinical practicetempered, N-F does not inform clinical practicefirm, RSG random sequence generation, AC allocation concealment, BPP blinding of participants and personnel, BOA blinding of outcome assessors, IOD incomplete outcome data, SR selective reporting, OB other bias, N/A no judgements made