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Table 1 Summary of the available data. The average time since the first visit is shown. The count is the number of completed questionnaires at that visit

From: Validation of a vision-related activity scale for patients with retinitis pigmentosa

StudyVisitMonthsCount
CERA1022
Derby10105
MEEI10426
MEEI21.5197
MEEI314218
MEEI426216
MEEI538215
MEEI650209
MEEI76195
SERI1014
SERI279
VASNC1027
  Total forms1753