Outcome | Parous women (N = 180) | Nulliparous women (N = 545) | Association measure | Comparison between parous women and nulliparous women (reference group) | |||||
---|---|---|---|---|---|---|---|---|---|
Age-adjusted analysis | Adjusting for age, race, BMI, percent fat, and relative with breast or ovarian cancerd | ||||||||
N | Mean (min, max) | N | Mean (min, max) | Estimate (95% CI) | p value | Estimate (95% CI) | p value | ||
TDLU counta | 180 | 17 (0, 186) | 545 | 15 (0, 121) | Multiplicative effect on mean | 1.58 (1.30, 1.92) | < 0.001 | 1.38 (1.15, 1.67) | < 0.001 |
Adp tissue fracb | 180 | 0.53 (0.03, 0.95) | 545 | 0.46 (0.02, 0.95) | Additive effect on mean | − 0.01 (− 0.06, 0.04) | 0.66 | 0.01 (− 0.01, 0.04) | 0.27 |
Mean acini counta | 177 | 35 (4, 301) | 522 | 26 (3, 195) | Multiplicative effect on mean | 1.66 (1.43, 1.93) | < 0.001 | 1.60 (1.38, 1.86) | < 0.001 |
Dilated acini | 177 | 2 (0, 69) | 522 | 1 (0, 10) | Multiplicative effect on mean | 1.78 (1.43, 2.23) | < 0.001 | 1.70 (1.35, 2.15) | < 0.001 |
Mean avg acinib | 177 | 1965 (523, 8455) | 522 | 2718 (544, 12,737) | Additive effect on mean | − 0.40 (− 0.50, − 0.30) | < 0.001 | − 0.40 (− 0.50, − 0.30) | < 0.001 |
Mean cap sizeb | 177 | 9741 (151, 75,885) | 522 | 9009 (37, 73,952) | Additive effect on mean | 0.07 (− 0.07, 0.23) | 0.34 | 0.08 (− 0.08, 0.24) | 0.32 |
Mean epi sizeb | 177 | 56,318 (2283, 504,707) | 522 | 52,720 (2457, 327,186) | Additive effect on mean | 0.03 (− 0.12, 0.17) | 0.73 | 0.02 (− 0.13, 0.17) | 0.80 |
Mean epi stroma ratiob | 177 | 0.37 (0.12, 0.62) | 522 | 0.41 (0.10, 0.95) | Additive effect on mean | − 0.02 (− 0.04, 0.00) | 0.13 | − 0.01 (− 0.03, 0.01) | 0.20 |
Mononuclear cell counta | 177 | 141 (5, 1544) | 522 | 98 (0, 685) | Multiplicative effect on mean | 1.54 (1.34, 1.77) | < 0.001 | 1.51 (1.31, 1.74) | < 0.001 |
Mean nearby fatb | 177 | 161,457 (0, 4,695,569) | 522 | 106,157 (0, 2,920,220) | Additive effect on mean | 0.45 (− 3.40, 4.29) | 0.82 | 1.20 (− 2.31, 4.71) | 0.50 |
Mean TDLU sizeb | 177 | 196,285 (25,955, 1,960,288) | 522 | 159,555 (20,508, 1,312,554) | Additive effect on mean | 0.11 (− 0.02, 0.25) | 0.10 | 0.10 (− 0.04, 0.24) | 0.17 |