Table 1 Demographic data before and after propensity score matching of patients who underwent robotic reduced-port and conventional four-port gastrectomy
From: Reduced-port robotic radical gastrectomy for gastric cancer: a single-institute experience
Before propensity matching | After propensity matching | |||||
|---|---|---|---|---|---|---|
Reduced- port | Conventional four-port | p values | Reduced- port | Conventional four-port | p values | |
Patient, n | 10 | 38 | 10 | 20 | ||
Age, median [IQR] | 70 [64,78] | 74 [62,81] | 0.732 | 70 [64,78] | 70 [63,78] | 0.947 |
Sex, female, n | 2 (20) | 18 (47) | 0.16 | 2 (20) | 5 (25) | 1 |
BMI, median [IQR] | 23 [22, 25] | 24 [21, 25] | 0.99 | 23 [22, 25] | 23 [21, 26] | 0.965 |
C stage, n, I | 3 (30) | 15 (40) | 1 | 3 (30) | 5 (25) | 1 |
II | 2 (20) | 5 (13) | 2 (20) | 4 (20) | ||
III | 5 (50) | 18 (47) | 5 (50) | 11 (55) | ||
Total LN retrieved [IQR] | 41 [29, 45] | 31 [24, 40] | 0.264 | 41 [29, 45] | 31 [28,39] | 0.28 |
Metastatic LN | 2 [0, 14] | 1 [0, 7] | 0.568 | 2 [0, 14] | 1 [0, 6] | 0.682 |
p stage, n I | 2 (20) | 15 (39.5) | 0.365 | 2 (20) | 7 (35) | 0.696 |
II | 3 (30) | 5 (13.2) | 3 (30) | 4 (20) | ||
III | 5 (50) | 18 (47.4) | 5 (50) | 9(45) | ||
Operation method, n | 1 | 1 | ||||
Distal gastrectomy | 7 (70) | 29 (76.3) | 7 (70) | 14 (70) | ||
Total gastrectomy | 3 (30) | 9 (23.7) | 3 (30) | 6 (30) | ||
Operative time, min, median [IQR] | 450 [398, 473] | 420 [360, 525] | 0.684 | 450 [398, 473] | 437 [365, 535] | 0.912 |
Anastomosis method | 1 | 0.693 | ||||
BII | 7 (70) | 25 (66) | 7 (70) | 11 (55) | ||
Roux-en-Y | 3 (30) | 13 (34) | 3 (30) | 9 (45) | ||
Blood loss, ml | 0.666 | 1 | ||||
> 50 cc | 8 (80) | 32 (84.2) | 8 (80) | 15 (75) | ||
< 50 cc | 2 (20) | 6 (15.8) | 2 (20) | 5 (25) | ||
LOS, day, median [IQR] | 16 [12, 22] | 15 [11, 20] | 0.859 | 16 [12, 22] | 14 [11, 17] | 0.659 |
Post-op complication | 1 | 1 | ||||
< Grade IIIa | 10 (100) | 35 (92.1) | 10 (100) | 19 (95) | ||
≥ Grade III | 0 (0) | 3 (7.9) | 0 (0) | 1 (5) | ||
NRS 1, median [IQR] | 5 [4, 6] | 3.5 [2, 5] | 0.068 | 4.5 [4, 5.75] | 3 [2, 4.25] | 0.047 |
NRS 2, median [IQR] | 4 [3, 5] | 3 [2, 4] | 0.2 | 4 [3, 5] | 3 [2, 4] | 0.2 |
NRS 3, median [IQR] | 4 [2, 5] | 3 [2, 4] | 0.131 | 4 [2, 5] | 3 [2, 4] | 0.178 |