Table 1.

Comparison of selected clinicopathologic and personal factors based on smoking history

Smoking status
Never smoked* (n = 410), n (%)Ex-smoker* (n = 150), n (%)Current smoker* (n = 116), n (%)P
Age group (y)
    <4025 (6)10 (7)17 (14)
    40-4966 (16)27 (18)36 (31)
    50-59129 (32)31 (21)31 (27)
    60-69114 (28)50 (33)24 (21)
    70-7976 (18)32 (21)8 (7)<0.01
FIGO stage
    I87 (22)34 (23)37 (32)
    II40 (10)9 (6)11 (10)
    III229 (57)95 (64)61 (52)
    IV45 (11)10 (7)7 (6)0.07
Histologic subtype
    Serous226 (55)92 (62)51 (44)
    Endometrioid63 (15)15 (10)17 (15)
    Mucinous24 (6)13 (9)14 (12)
    Undifferentiated28 (7)11 (7)14 (12)
    Mixed31 (8)9 (6)8 (7)
    Clear cell37 (9)9 (6)12 (10)0.09
Grade
    Well differentiated52 (13)22 (15)27 (24)
    Moderately differentiated133 (33)53 (35)37 (32)
    Poorly differentiated204 (51)69 (47)47 (41)
    Undifferentiated14 (3)4 (3)3 (3)0.16
Residual disease (cm)
    0-<1167 (61)61 (58)53 (68)
    1-241 (15)20 (19)12 (15)
    >267 (24)25 (23)13 (17)0.52
Platinum-based chemotherapy
    Yes254 (72)98 (75)71 (69)
    No100 (28)32 (25)33 (31)0.60
BMI (usual)
    <2036 (9)11 (7)9 (8)
    20-25221 (56)89 (60)71 (63)
    26-3076 (19)33 (22)21 (19)
    >3062 (16)16 (11)12 (10)0.58
  • * Some column numbers (n) do not sum to total because some data are missing (FIGO stage, 1% missing; histologic subtype, <1% missing; grade, 1% missing; residual disease, 32% missing; platinum-based chemotherapy, 13% missing; and BMI, 3% missing).

  • P for Pearson's χ2.

  • Calculated using the women's usual prediagnostic weight.