Table 2 Clinicopathologic outcomes of patients who underwent gastrectomy for gastric cancer using either articulating laparoscopic instruments (ALI group) or a robotic surgical system (robotic group) for lymph node dissection.

From: Short-term outcomes and cost-effectiveness of laparoscopic gastrectomy with articulating instruments for gastric cancer compared with the robotic approach

Variables

Group

p

ALI (n = 88)

Robotic (n = 96)

Extent of LN dissection

Ā Ā 

0.760

Ā < D2

56 (63.6)

59 (61.5)

Ā 

 ≄ D2

32 (36.4)

37 (38.5)

Ā 

Extent of gastrectomy

Ā Ā 

0.945

Ā Distal gastrectomy

73 (83.0)

80 (83.3)

Ā 

Ā Total gastrectomy

15 (17.0)

16 (16.7)

Ā 

Type of reconstruction

Ā Ā 

0.228

Ā Billroth I

33 (37.5)

26 (27.1)

Ā 

Ā Billroth II

38 (43.2)

53 (55.2)

Ā 

Ā Roux-en-Y

17 (19.3)

17 (17.7)

Ā 

Operation time, min

168.6 ± 48.9

186.5 ± 58.6

0.026

Blood loss, mL

68.8 ± 61.1

61.1 ± 74.8

0.502

No. of collected LNs

34.0 ± 13.5

36.2 ± 14.4

0.289

No. of positive LNs

0.9 ± 2.3

1.3 ± 4.5

0.422

T classification

Ā Ā 

0.798

Ā T1

65

72

Ā 

Ā T2

4

7

Ā 

Ā T3

12

10

Ā 

Ā T4a

7

7

Ā 

N classification

Ā Ā 

0.167

Ā N0

71

73

Ā 

Ā N1

7

11

Ā 

Ā N2

6

7

Ā 

Ā N3a

4

1

Ā 

Ā N3b

0

4

Ā 
  1. Data are expressed as mean ± standard error or number (percentage).
  2. ALI, articulating laparoscopic instrument; LN, lymph node.