Skip to main content

Table 1 Summary of demographic data of the three study populations

From: Estimation of menstrual blood loss volume based on menstrual diary and laboratory data

  Study 1 Study 2 Validation study 3
Number of patients used 190 250 162
Number of days 9452 12431 3242
Mean age (± standard deviation) [years] 36.9 (± 7.1) 39.2 (± 6.9) 38.8 (± 5.3)
Median cycle length (range) [days] 28 (9 – 38) 28 (14 – 38) 28 (7 – 33)
Mean duration [days] of bleeding episodes (range) 7.6 (4 – 60) 6.9 (3 – 17) 6.3 (3 – 14)
\