Table 1.

Patient characteristics of the Mainz (n = 200), Rotterdam (n = 286), and TRANSBIG (n = 302) data sets

Mainz No. of patients (%)Rotterdam No. of patients (%)TRANSBIG No. of patients (%)
Tumor size
    T1111 (56)146 (51)163 (54)
    T281 (40)132 (46)138 (45.7)
    T3/48 (4)8 (3)1 (0.3)
Tumor grade
    Well differentiated41 (21)7 (2)60 (20)
    Moderately differentiated110 (55)42 (15)117 (39)
    Poor/undifferentiated45 (23)148 (52)106 (35)
    Unknown4 (2)89 (31)19 (6)
EREIADCC or EIA
    Negative44 (22)77 (27)95 (31)
    Positive156 (78)209 (73)201 (67)
    Unknown6 (2)
PREIADCC or EIA
    Negative70 (35)111 (39)6 (2)
    Positive130 (65)165 (58)56 (19)
    Unknown10 (3)240 (79)
Age, y
    Mean60 (SD, 12)54 (SD, 12)49 (SD, 9)
    ≤4010 (5)36 (13)53 (18)
    41–5564 (32)129 (45)175 (58)
    56–7083 (42)89 (31)71 (23)
    ≥7043 (22)32 (11)3 (1)
Metastasis within 5 y
    Yes28 (14)93 (33)56 (18)
    No154 (77)183 (64)198 (66)
    Censored18 (9)10 (3)27 (9)
    Metastasis after 5 y18 (9)21 (7)
  • NOTE: The Mainz collection was population based whereas the Rotterdam cohort was selected for a case-control study [Wang et al. ( 7)]. Note the differences in tumor grade and patient age between the cohorts.

    Abbreviation: PR, progesterone receptor.