|
Characteristics
|
Univariable analysis
|
Multivariable analysis
|
|---|
| |
RR
|
95% CI
|
p-value
|
RR
|
95% CI
|
p-value
|
|---|
|
Study arm (cohort vs RCT)
|
1.02
|
0.76–1.39
|
.88
|
1.03
|
0.76–1.38
|
.87
|
|
Age (≤ 45 vs > 45)
|
1.57
|
1.13–2.16
|
.004
|
1.51
|
1.10–2.09
|
.012
|
|
BMI (≥ 25 vs < 25)
|
0.91
|
0.67–1.23
|
.54
|
0.97
|
0.72–1.31
|
.86
|
|
Caesarean section
|
1.36
|
0.97–1.89
|
.10
| | | |
|
Vaginal delivery
|
0.89
|
0.62–1.27
|
.49
| | | |
|
Previous treatment HMB
|
1.07
|
0.80–1.45
|
.64
| | | |
|
Anticoagulants
|
1.32
|
0.78–2.24
|
.52
| | | |
|
Dysmenorrhea
| | | | | | |
|
Present versus non-present
|
1.04
|
0.75–1.44
|
0.83
| | | |
|
Severe versus none/mild/moderate
|
1.44
|
1.06–1.94
|
.034
|
1.36
|
1.01–1.82
|
.041
|
|
PBAC-score (≥ 425 vs < 425)
|
1.11
|
0.82–1.50
|
.49
|
1.08
|
0.81–1.43
|
.61
|
- BMI, Body Mass Index; HMB, heavy menstrual bleeding; PBAC, Pictorial Blood Assessment Chart. Imputed data: BMI n = 60, caesarean section N = 3, previous treatment HMB N = 1, anticoagulants N = 1, dysmenorrhea N = 12, PBAC = 39. Multivariate analysis preceded by a forced entry method
