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Table 2 Clinicopathological characteristics of patient samples and expression of PTOV1 in breast cancer and correlation between PTOV1 expression and clinicopathological characteristics of breast cancer patients

From: Overexpression of prostate tumor overexpressed 1 correlates with tumor progression and predicts poor prognosis in breast cancer

Characteristics Total PTOV1 chi-square test P-value Fisher’s exact test P-value
Low expression (%) High expression (%)
Age (y) ≥ 47 82 43 (52.4) 39 (47.6) 0.695 0.406
< 47 87 43 (49.4) 44 (50.6)
Clinical stage I 30 20 (66.7) 10 (33.3) 0.005 0.003
II 81 46 (56.8) 35 (43.2)
III 53 20 (37.7) 33 (62.3)
IV 5 0 (0) 5 (100)
T classification T1 52 31 (59.6) 21 (40.4) 0.048 0.046
T2 88 46 (52.3) 42 (47.7)
T3 17 7 (41.2) 10 (58.8)
T4 12 2 (16.7) 10 (83.3)
N classification N0 72 45 (62.5) 27 (37.5) 0.035 0.036
N1 50 24 (48) 26 (52)
N2 30 12 (40) 18 (60)
N3 17 5 (29.4) 12 (70.6)
M classification Yes 5 0 (0.0) 5 (100.0) 0.021 0.027
No 164 86 (52.4) 78 (47.6)
Expression of ER 0 74 45 (60.8) 29 (39.2) 0.003 0.003
1 37 23 (62.2) 14 (37.8)
2 16 5 (31.3) 11 (68.5)
3 42 13 (31.0) 29 (69.0)
Expression of PR 0 75 42 (56.0) 33 (44.0) 0.092 0.093
1 28 15 (53.6) 13 (46.4)
2 27 16 (59.3) 11 (40.7)
3 39 13 (33.3) 26 (66.7)
Expression of HER 2 0 90 42 (46.7) 48 (53.3) 0.588 0.599
1 20 12 (60.0) 8 (40.0)
2 13 8 (61.5) 5 (38.5)
3 46 24 (62.5) 22 (37.5)
Vital status Live 131 78 (59.5) 53 (40.5) < 0.001 < 0.001
Dead 38 8 (21.1) 30 (78.9)