Table 1 Patient characteristics.

From: RANKL and OPG and their influence on breast volume changes during pregnancy in healthy women

Characteristic

Mean or n

SD or %

Age (years)

32.2

4.2

BMI (kg/m2)

23.5

3.9

Breast volume at week 12 (mL)

413.1

226.7

Breast volume at week 40 (mL)

511.6

245.6

Gravida

1

35

35.0

2

47

47.0

3

10

10.0

4

5

5.0

5

3

3.0

RANKL

0

65

65.0

>0

35

35.0

OPG

0

62

62.0

>0

38

38.0

  1. Mean and standard deviation (SD) are shown for continuous characteristics, and frequency and percentage for categorical characteristics.