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Table 1 Main characteristics of the selected studies

From: Comparison of the prognosis and recurrence of apparent early-stage ovarian tumors treated with laparoscopy and laparotomy: a meta-analysis of clinical studies

Citation

Mean patient age (years)

Number of patients

Body mass index

Upstaging rate

Duration of operation (min)

Intraoperative blood loss (ml)

Hospital stay (days)

Number of pelvic lymph node dissections

Number of para-aortic lymph node dissections

 

Laparoscopy

Laparotomy

Laparoscopy

Laparotomy

Laparoscopy

Laparotomy

Laparoscopy

Laparotomy

Laparoscopy

Laparotomy

Liu 2014

50.9

75

NA

20.0 %

209.71 ± 17.57

200.50 ± 20.62

197.14 ± 98.48

345.00 ± 165.95

16.3 ± 6.2

21.9 ± 4.9

18.23 ± 3.27

19.03 ± 3.15

NA

NA

Koo 2013

47.6

77

23.5

29.9 %

192.9 ± 73.5

224.1 ± 85.4

697.9 ± 396.9

972.6 ± 827.8

13.7 ± 5.4

13.1 ± 4.1

26.8 ± 8.5

27.8 ± 13.2

17.7 ± 10.1

21.2 ± 11.2

Lee 2011

43.9

113

23.0

26.5 %

227.6 ± 105.8

184.6 ± 61.4

230.4 ± 183.6

474.8 ± 329.2

6.4 ± 2.6

12.4 ± 5.5

23.5 ± 9.3

22.8 ± 10.2

9.9 ± 7.4

4.8 ± 4.1

Park 2008 (1)

44.9

52

22.9

21.2 %

220.7 ± 82.7

274.7 ± 63.2

240.0 ± 228.3

568.2 ± 451.7

8.9 ± 6.1

14.5 ± 5.6

27.2 ± 9.7

33.9 ± 14.5

6.6 ± 6.2

8.8 ± 8.1

Park 2008 (2)

46.2

36

23.5

19.4 %

303.8 ± 84.9

290.4 ± 120.8

231.2 ± 117.9

505.3 ± 279.8

9.4 ± 4.1

14.1 ± 4.2

13.7 ± 5.6

19.3 ± 10.1

8.9 ± 7.1

6.4 ± 3.9

Ghezzi 2007

58.4

34

24.9

29.45

377.0 ± 47.0

272.0 ± 81.0

250.0 (50–1,000)

400 (150–1,000)

3.0 ± 2.5

7.0 ± 2.5

25.2 ± 9.3

25.1 ± 5.8

6.5 ± 3.9

7.0 ± 4.5

Lécuru 2006

49.2

148

NA

19.0 %

NA

NA

NA

NA

NA

NA

NA

NA

NA

NA

Chi 2005

49.0

50

25.1

NA

321.0 ± 64.0

276.0 ± 68.0

235.0 ± 138.0

367.0 ± 208.0

3.1 ± 0.7

5.8 ± 2.6

12.3 ± 4.9

14.7 ± 5.7

6.7 ± 2.5

9.2 ± 5.0

  1. (1) and (2) represent different studies by the same first author