Skip to main content

Table 1 Participant characteristics

From: Impact of short-term low-dose tamoxifen on molecular breast imaging background parenchymal uptake: a pilot study

Characteristic* All analyzable participants (n = 21) Women taking 5 mg tamoxifen (n = 10) Women taking 10 mg tamoxifen (n = 11) p (5 mg vs. 10 mg)
Mean age (SD, range) 47.7 (4.1, 41–56) 47.3 (4.4, 41–56) 48.1 (4.0, 42–55) 0.67
Mean body mass index (SD, range) 26.5 (5.1, 19.5–42.4) 26.1 (4.0, 20.7–34.8) 26.8 (6.2, 19.5–42.4) 0.75
Menopausal status**     > 0.99
 Premenopausal 14 (66) 7 (70) 7 (64)  
 Perimenopausal 6 (29) 3 (30) 3 (27)  
 Postmenopausal 1 (5) 0 (0) 1 (9)  
BI-RADS mammographic density***     0.06
 a 0 (0) 0 (0) 0 (0)  
 b 2 (10) 1 (10) 1 (9)  
 c 12 (57) 8 (80) 4 (36)  
 d 7 (33) 1 (10) 6 (55)  
Gail model 5-year risk     > 0.99
 < 1.67% 15 (71) 7 (70) 8 (73)  
 ≥ 1.67% 6 (29) 3 (30) 3 (27)  
  1. *Unless otherwise indicated, numbers in parentheses are column percentages for each characteristic, and percentages are rounded
  2. **Menopausal status compared as combined perimenopausal/postmenopausal vs. premenopausal category
  3. ***Mammographic density compared as combined b/c category vs. d category