BioMed Research International / 2017 / Article / Tab 4

Research Article

Weekday of Surgery Affects Postoperative Complications and Long-Term Survival of Chinese Gastric Cancer Patients after Curative Gastrectomy

Table 4

Multivariate Cox regression analysis of overall and disease-free survival in 463 patients after gastrectomy.

CharacteristicsOverall survivalDisease-free survival
HR (95% CI)p valueHR (95% CI)p value

Comorbidities (with/without)0.886 (0.636–1.233)0.472
Tumor size (≥5 cm/<5 cm)1.055 (0.766–1.453)0.741
Operation time (≥240 min/<240 min)0.869 (0.582–1.299)0.4940.770 (0.520–1.139)0.191
Operative blood loss (≥500 ml/<500 ml)1.023 (0.691–1.514)0.9090.968 (0.662–1.417)0.869
T classification0.0170.018
 (T2/T1)2.315 (0.902–5.945)0.0811.517 (0.670–3.433)0.318
 (T3/T1)3.691 (1.373–9.921)0.0102.528 (1.062–6.020)0.036
 (T4/T1)4.001 (1.231–13.007)0.0212.677 (0.920–7.789)0.071
N classification<0.001<0.001
 (N1/N0)1.790 (1.350–2.374)<0.0011.988 (1.515–2.608)<0.001
 (N2/N0)1.953 (1.144–3.333)0.0142.510 (1.515–4.157)<0.001
 (N3/N0)2.838 (1.325–6.078)0.0072.954 (1.422–6.138)0.004
TNM stage0.0160.005
 (II/I)1.182 (0.674–2.075)0.5601.118 (0.654–1.912)0.684
 (III/I)2.520 (1.078–5.894)0.0332.536 (1.114–5.773)0.027
Postoperative complications (with/without)3.169 (2.388–4.204)<0.0012.826 (2.134–3.740)<0.001
Weekday (late/early)1.721 (1.343–2.205)<0.0011.693 (1.331–2.153)<0.001
Chemotherapy (no/yes)1.087 (0.830–1.423)0.5461.204 (0.928–1.562)0.161
Increased postoperative CRP (yes/no)1.399 (1.042–1.879)0.0261.533 (1.150–2.045)0.004