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Table 3 Differences between MIO and OE surgery patients

From: Minimally invasive oesophagectomy versus open esophagectomy for resectable esophageal cancer: a meta-analysis

Variables

No. studies

WMD/OR (95%CI)

P V

P Q

I 2 (%)

P E

Age, years

57 (n = 15790)

−0.343 (−1.200, 0.514)

0.433

<0.05

68.1

0.059

NT

34 (n = 5138)

1.364 (1.042,1.785)

0.024

<0.05

73.0

0.362

Comorbidity

 

 Cardiovascular

16 (n = 10337)

0.913 (0.815,1.022)

0.112

0.030

44.2

0.930

 Pulmonary

15 (n = 9779)

0.949 (0.819,1.099)

0.485

0.881

0

0.722

 Diabetes

15 (n = 9983)

0.942 (0.798,1.111)

0.476

0.457

0

0.082

Operating time, min

46 (n = 6260)

24.427 (10.912,37.943)

<0.05

<0.05

96.1

0.155

Blood loss, ml

40 (n = 5285)

−196.060 (−255.195,-136.926)

<0.05

<0.05

98.9

0.592

LN harvest

46 (n = 6390)

−1.275 (−5.851,3.301)

0.585

<0.05

99.8

0.786

LOS, day

45 (n = 13899)

−3.660 (−4.891,-2.428)

<0.05

<0.05

86.0

0.175

ICU stay, day

27 (n = 10761)

−1.599 (−2.680, −0.518)

0.004

<0.05

98.2

0.078

Complication

Total complication

35 (n = 5991)

0.700 (0.626,0.781)

<0.05

0.012

38.5

0.178

Pulmonary

50 (n = 14781)

0.527 (0.431, 0.645)

<0.05

<0.05

60.3

<0.05

Circulatory system

36 (n = 12883)

0.770 (0.681,0.872)

<0.05

0.427

2.4

0.386

Digestive system

21 (n = 4081)

1.097 (0.835,1.442)

0.507

0.083

31.7

0.664

AL

50 (n = 7528)

1.023 (0.870,1.202)

0.785

0.304

8.5

0.018

RLNP

37 (n = 5429)

1.108 (0.917,1.339)

0.289

0.089

24.8

0.014

STR

39 (n = 5991)

0.639 (0.522,0.781)

<0.05

0.918

0

0.206

Mortality

38 (n = 14132)

0.668 (0.539,0.827)

<0.05

0.944

0

0.508

  1. NT neoadjuvant therapy, LN lymph node, LOS length of hospital stay, ICU intensive care unit, AL anastomotic leak, RLNP recurrent laryngeal nerve palsy, STR surgical technology-related, Mortality in-hospital/30-day mortality, P V the P value for pooled, P Q the P value for Q test, P E the P value for Egger’s test