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Table 2 Data extracted from the included studies

From: Robotic-assisted versus laparoscopic colorectal surgery: a meta-analysis of four randomized controlled trials

Study

Group

N

Operation time, minutes

EBL, ml

Open conversion events, n

Time to recovery of bowel function, d

Complication events, n

LOS, d

Proximal margin, cm

Distal margin, cm

Harvested lymph nodes, n

Total hospital cost, $

Baik SH

RCS

18

217.1 (51.6)

N/A

0

1.8 (0.4)

4

6.9 (1.3)

10.9 (1.7)

4 (1.1)

20.1 (9.1)

N/A

LCS

18

204.3 (56.9)

2

2.4 (1.3)

1

8.7 (1.7)

10.3 (3.6)

3.7 (1.1)

17.4 (10.6)

Jimenez RR

RCS

28

159.4 (43.5)

N/A

2

N/A

4

N/A

N/A

4.8 (1.6)

17.6 (9.2)

N/A

LCS

28

135.1 (29.2)

2

4

3.8 (0.7)

14.9 (8.7)

Park JS

RCS

35

195 (41)

35.8 (26.3)

0

2.6 (1.4)

6

7.9 (4.1)

18.6 (7.3)

18 (9)

29.9 (14.7)

12,235 (1,907.9)

LCS

35

130 (43)

56.8 (31.3)

0

2.9 (2.2)

7

8.3 (4.2)

18.3 (9.9)

14.5 (8)

30.8 (13.3)

10,320.7 (1,607.7)

Patriti A

RCS

29

202 (12)

137.4 (156)

0

N/A

9

11.9 (7. 5)

N/A

2.1 (0.9)

10.3 (4)

N/A

LCS

37

208 (7)

127 (169)

7

7

9.6 (6.9)

4.5 (7.2)

11.2 (5)

  1. Values are expressed as mean (SD) or number. EBL, estimated blood loss; LOS, length of hospital stay; N/A, not applicable; RCS, robotic-assisted colorectal surgery; LCS, laparoscopic colorectal surgery.