Table 4 Risk factors for peritoneal carcinomatosis (M1: peritoneum) in multivariate logistic regression analysis: (A) considering TNM stage I, II, III, and IV at diagnosis; (B) considering only TNM stage I, II, and III at diagnosis
From: Prevalence, risk factors, and prognosis of peritoneal metastasis from breast cancer
OR (C.I. 95 %) | p | |
|---|---|---|
(A) | ||
Grading | 1.93 (1.47–2.54) | <0.05 |
Histological type | ||
Ductal invasive carcinoma | Referral | 1.000 |
Lobular invasive carcinoma | 1.71 (1.13–2.57) | <0.05 |
Ductal and lobular invasive carcinoma | 1.54 (0.95–2.52) | 0.083 |
Other invasive carcinoma | 1 (0.4–2.5) | 0.999 |
Peritumoral inflammation | 1.74 (1–3.01) | 0.050 |
TNM | ||
T1 | Referral | 1.000 |
T2 | 1.56 (1.11–2.21) | <0.05 |
T3 | 3.26 (1.69–6.28) | <0.05 |
T4 | 2.06 (1.07–3.99) | <0.05 |
N0 | Referral | 1.000 |
N1 | 2.23 (1.52–3.27) | <0.05 |
N2 | 4.8 (3.03–7.62) | <0.05 |
N3 | 7.64 (4.81–2.12) | <0.05 |
(B) | ||
Histological type | ||
Ductal invasive carcinoma | Referral | 1.000 |
Lobular invasive carcinoma | 3.58 (1.09–11.75) | <0.05 |
Ductal and lobular invasive carcinoma | 2.57 (0.51–12.83) | 0.251 |
Other invasive carcinoma | 3.67 (0.43–31.53) | 0.237 |
TNM | ||
T1 | Referral | 1.000 |
T2-3-4 | 0.31 (0.09–1.13) | 0.076 |
N0 | Referral | 1.000 |
N1 | 2.2 (0.52–9.33) | 0.287 |
N2 | 6.36 (1.15–35.22) | <0.05 |
N3 | 17.74 (4.52–69.63) | <0.05 |