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. 2018 Nov 8;26(2):177–185. doi: 10.1530/ERC-18-0281

Table 1.

Baseline characteristics.

High PR (N = 202) Low PR (N = 70) P-Valuea
Median age, years (range) 57 (31–91) 49 (26–81) <0.001b
T stage 0.139
 T1 113 (55.9) 32 (45.7)
 T2 89 (44.1) 38 (54.3)
N stage 0.194c
 N0 124 (61.4) 51 (72.9)
 N1 66 (32.7) 14 (20.0)
 N2 8 (4.0) 4 (5.7)
 N3 4 (2.0) 1 (1.4)
Stage 0.751
 I 79 (39.1) 24 (34.3)
 II 108 (53.5) 41 (58.6)
 III 15 (7.4) 5 (7.1)
Histologic graded 0.064
 I 60 (30.3) 15 (22.4)
 II 109 (55.1) 34 (50.7)
 III 29 (14.6) 18 (26.9)
Estrogen receptore 0.019
 High 184 (91.1) 57 (81.4)
 Low 18 (8.9) 13 (18.6)
Ki67 0.980
 ≥20% 43 (21.3) 15 (21.4)
 <20% 159 (78.7) 55 (78.6)

aChi-square test except; bMann–Whitney U test; cFisher exact test; dmissing values; ehigh, Allred score 5–8; low, Allred score 0–4.