Table 2 Outcomes among patients with each characteristic before propensity score matching
Postoperative complication ≥grade II* | Postoperative complication ≥grade III* | Initiation of soft diet (days) | Postoperative hospital stay (days) | |||||
|---|---|---|---|---|---|---|---|---|
Drain | No drain | Drain | No drain | Drain | No drain | Drain | No drain | |
n (%) | n (%) | n (%) | n (%) | Median (range) | Median (range) | Median (range) | Median (range) | |
Depth of invasion | ||||||||
cT1 (n = 125 vs 180) | 33 (26.4) | 22 (12.2) | 9 (7.2) | 2 (1.1) | 5 (3–47) | 4 (3–33) | 13 (7–82) | 11 (3–65) |
cT2 (n = 60 vs 53) | 15 (25.0) | 7 (13.2) | 7 (11.7) | 1 (1.9) | 5 (3–44) | 4 (3–45) | 11.5 (8–104) | 12 (7–57) |
cT3 (n = 62 vs 33) | 12 (19.4) | 4 (12.1) | 3 (4.8) | 0 (0) | 5 (3–29) | 5 (3–18) | 13 (8–92) | 13 (6–56) |
cT4 (n = 80 vs 35) | 18 (22.5) | 5 (14.3) | 3 (3.8) | 1 (2.9) | 5 (3–81) | 4 (3–67) | 14 (9–114) | 11 (4–90) |
Node metastasis | ||||||||
cN0 (n = 230 vs 253) | 59 (25.7) | 32 (12.6) | 16 (7.0) | 3 (1.2) | 5 (3–54) | 4 (3–45) | 13 (7–82) | 12 (3–65) |
cN1 (n = 48 vs 24) | 12 (25.0) | 3 (12.5) | 5 (10.4) | 0 (0) | 5 (3–30) | 4 (3–8) | 13 (10–104) | 11.5 (6–30) |
cN2 (n = 39 vs 20) | 6 (15.4) | 2 (10.0) | 0 (0) | 1 (5.0) | 5 (3–31) | 5 (3–67) | 12 (9–60) | 11.5 (4–90) |
cN3 (n = 10 vs 4) | 1 (10.0) | 1 (25.0) | 1 (10.0) | 0 (0) | 4.5 (3–81) | 3.5 (3–5) | 13.5 (10–114) | 11.5 (10–27) |
Operative procedure | ||||||||
Distal gastrectomy (DG) (n = 173 vs 256) | 34 (19.7) | 33 (12.9) | 8 (4.6) | 4 (1.6) | 4 (3–54) | 4 (3–67) | 12 (7–59) | 11 (4–90) |
Total gastrectomy (TG) (n = 134 vs 40) | 36 (26.9) | 5 (12.5) | 12 (9.0) | 0 (0) | 5 (3–81) | 5 (3–18) | 12 (8–114) | 12 (4–56) |
Remnant gastrectomy (n = 20 vs 5) | 8 (40.0) | 0 (0) | 2 (10.0) | 0 (0) | 6.5 (4–22) | 5 (3–5) | 16.5 (9–82) | 11 (3–12) |
Extent of lymphadenectomy | ||||||||
DG D1+ or less (n = 86 vs 167) | 19 (22.1) | 24 (14.4) | 5 (5.8) | 4 (2.4) | 5 (3–21) | 4 (3–67) | 12 (9–52) | 11 (4–90) |
DG D2 (n = 87 vs 89) | 15 (17.2) | 9 (10.1) | 3 (3.4) | 0 (0) | 4 (3–54) | 4 (3–12) | 11 (7–59) | 12 (6–34) |
TG D1+ or less (n = 115 vs 43) | 31 (27.0) | 4 (9.3) | 11 (9.6) | 0 (0) | 5 (3–44) | 5 (3–18) | 13 (8–92) | 12 (3–56) |
TG D2 (n = 39 vs 2) | 13 (33.3) | 1 (50.0) | 3 (7.7) | 0 (0) | 6 (3–81) | 6 (5–7) | 14 (9–114) | 14 (14–14) |
R status | ||||||||
R0 (n = 286 vs 285) | 67 (23.4) | 36 (12.6) | 18 (6.3) | 3 (1.1) | 5 (3–47) | 4 (3–45) | 13 (7–92) | 12 (3–65) |
R1 (n = 24 vs 7) | 5 (20.8) | 0 (0) | 2 (8.3) | 0 (0) | 5.5 (3–54) | 4 (3–6) | 13.5 (9–104) | 13 (10–34) |
R2 (n = 17 vs 9) | 6 (35.3) | 2 (22.2) | 2 (11.8) | 1 (11.1) | 6 (4–81) | 4 (3–67) | 16 (10–114) | 11 (4–90) |
Blood loss | ||||||||
< 500 ml (n = 322 vs 300) | 77 (23.9) | 38 (12.7) | 22 (6.8) | 4 (1.3) | 5 (3–81) | 4 (3–67) | 13 (7–114) | 11.5 (3–90) |
≥ 500 ml (n = 5 vs 1) | 1 (20.0) | 0 (0) | 0 (0) | 0 (0) | 6 (4–21) | 7 | 13 (11–31) | 13 |