Skip to main content
. 2022 Feb 22;12:3025. doi: 10.1038/s41598-022-07098-3

Table 1.

Patient characteristics.

Characteristics High-CRPmax (n = 258) Low-CRPmax
(n = 186)
p value High-WBCmax
(n = 83)
Low-WBCmax
(n = 361)
p value
Age (years) 0.909 0.775
 < 75 199 (77.1%) 142(76.3%) 65 (78.3%) 276 (76.5%)
 ≥ 75 59 (22.9%) 44 (23.7%) 18 (21.7%) 85 (23.5%)
Sex 0.136 0.336
 Male 195 (75.6%) 109 (58.6%) 61 (67.3%) 243 (73.5%)
 Female 63 (24.4%) 77 (41.4%) 22 (32.7%) 118 (26.5%)
BMI (kg/m2) 0.141 0.852
 < 18.5 26 (10.1%) 28 (15.1%) 9 (10.8%) 45 (12.5%)
 ≥ 18.5 232 (89.9%) 158 (84.9%) 74 (89.2%) 316 (87.5%)
PS 0.658 0.566
 0 201 (77.9%) 149 (80.1%) 63 (75.9%) 287 (79.5%)
 1–2 57 (22.1%) 37 (19.9%) 20 (24.1%) 74 (20.5%)
Operative approach 0.113 0.326
 Open 246 (95.3%) 170 (91.4%) 80 (96.4%) 236 (93.1%)
 Laparoscopic 12 (4.7%) 16 (8.6%) 3 (3.6%) 25 (6.9%)
Operative procedure  < 0.001  < 0.001
 DG, PG 122 (46.9%) 140 (75.3%) 24 (28.9%) 238 (65.7%)
 TG 136 (52.7%) 46 (24.7%) 59 (71.1%) 123 (34.1%)
 Operation time (min) 230 [199–282] 194 [171–233]  < 0.001 250 [204–293] 210 [180–248]  < 0.001
 Blood loss (ml) 448 [290–660] 253 [150–394]  < 0.001 530 [310–778] 330 [190–500]  < 0.001
 Tumor size (mm) 55 [15–200] 45 [10–130]  < 0.001 64 [15–90] 50 [10–200]  < 0.001
Depth of invasion 0.221 0.248
 T1–2 45 (17.4%) 42 (22.6%) 12 (14.5%) 75 (20.8%)
 T3–4 213 (82.6%) 144 (77.4%) 71 (85.5%) 286 (79.2%)
Lymph node metastasis 0.285 0.89
 N0 66 (25.6%) 57 (30.6%) 24 (28.9%) 99 (27.4%)
 N1–3 192 (74.4%) 129 (69.4%) 59 (71.1%) 262 (72.6%)
pStage 0.106 0.229
 II 123 (47.7%) 104 (55.9%) 37 (44.6%) 190 (52.6%)
 III 135 (52.3%) 82 (44.1%) 46 (55.4%) 171 (47.4%)
Tumor location  < 0.001  < 0.001
 U 98 (38.0%) 31 (16.7%) 38 (45.8%) 91 (25.2%)
 M 68 (26.4%) 80 (43.0%) 20 (24.1%) 128 (35.5%)
 L 79 (30.6%) 71 (38.2%) 17 (20.5%) 133 (36.8%)
 UML 13 (5.0%) 4 (2.2%) 8 (9.6%) 9 (2.5%)
Histology 0.408 0.135
 Differentiated 121 (46.9%) 79 (42.5%) 44 (53.0%) 156 (43.2%)
 Undifferentiated 137 (53.1%) 107 (58.5%) 39 (47.0%) 205 (56.8%)
Postoperative infectious complication*  < 0.001  < 0.001
 Absent 190 (73.6%) 183 (98.4%) 45 (54.2%) 328 (90.9%)
 Present 68 (26.4%) 3 (1.6%) 38 (45.8%) 33 (9.1%)
Adjuvant chemotherapy 0.526 0.804
 Absent 60 (23.3%) 49 (26.3%) 19 (22.9%) 90 (26.3%)
 Present 198 (76.7%) 137 (73.7%) 64 (77.1%) 271 (73.7%)

Values in parentheses are percentages unless indicated otherwise; values are all median (i.q.r.)

BMI body mass index, PS performance status, DG distal gastrectomy, PG proximal gastrectomy, TG total gastrectomy, U upper, M middle, L lower.

According to the 7th edition of the International Union Against Cancer.

*Intra-abdominal abscess, anastomotic leakage, pancreatic fistula, pneumonia, surgical site infection, acute cholecystitis, and enteritis Grade ≥ 2 based on the Clavien-Dindo classification.