Table 2 Number of participants per reference period in VALEPRO
From: Patterns of missing data in the use of the endometriosis symptom diary
Reference period | Number of participants |
|---|---|
1 (days 1–28) | 262 |
2 (days 29–56) | 257 |
3 (days 57–84) | 236 |
4 (days 85–112) | 59 |
5 (days 113–140) | 28 |
6 (days 141–168) | 12 |