Table 1.

Demographic, personal, tumor, and treatment factors among FN and non-FN women

VariablesFN women, n (%)Non-FN women, n (%)
Age at diagnosis, y
 15–49104 (36)242 (36)
 50+183 (64)429 (64)
 Mean (SD)55.9 (12.8)57.7 (14.1)
Period of diagnosis
 1995–1999136 (47)317 (47)
 2000–2004151 (53)354 (53)
Distance to RCCa
 Close85 (30)344 (51)
 Moderate102 (36)200 (30)
 Far100 (35)127 (19)
BMIa
 Normal weight (BMI <25 kg/m2)44 (17)211 (37)
 Overweight (BMI ≥25 to <30 kg/m2)85 (33)194 (34)
 Obese (BMI ≥30 kg/m2)128 (50)163 (29)
 Unknown30103
Smoking statusa
 Never smoker81 (32)296 (51)
 Ever smoker172 (68)284 (49)
 Unknown3491
Any comorbiditya
 No180 (64)534 (82)
 Other35 (12)72 (11)
 Diabetes67 (24)46 (7)
 Unknown519
Family history
 No182 (70)392 (64)
 Yes78 (30)221 (36)
 Unknown2758
Method of detection
 Screen detected64 (23)196 (30)
 Nonscreen detected217 (77)456 (70)
 Unknown619
TNM stageb
 Stage I95 (34)284 (44)
 Stage II130 (46)244 (38)
 Stages III and IV58 (20)122 (19)
 Unstageable421
Estrogen/progesterone receptor status
 Neither positive132 (46)342 (51)
 Either positive155 (54)329 (49)
Stage- and age-appropriate treatment
 No68 (24)146 (22)
 Yes215 (76)504 (78)
 Unknown421

NOTE: Unknown data are not included in statistical tests.

  • aP ≤ 0.01.

  • bP ≤ 0.05.