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Table 2 Time from ovarian cancer diagnosis to ascertainment and interview, the African American Epidemiology Study (AACES), 2010-14

From: A multi-center population-based case–control study of ovarian cancer in African-American women: the African American Cancer Epidemiology Study (AACES)

   Days from diagnosis to ascertainment, all cases
  N* Mean Median 25th-75th percentile range
Responders 403 170 126 61-245
Non-responders 370 191 159 64-282
 Deceased 117 245 226 97-311
 MD refusal 9 66 30 26-78
 Refusal 163 165 126 60-239
 Unable to contact 81 181 140 57-299
Pending 62 160 82 48-276
Total 835 179 134 62-260
   Days from diagnosis to ascertainment, omitting cases from first year of ascertainment
  N* Mean Median 25th-75th percentile range
Responders 279 143 91 54-216
Non-responders 221 135 93 48-199
 Deceased 66 162 132 62-242
 MD refusal 5 41 26 20-30
 Refusal 101 126 92 45-175
 Unable to contact 49 129 73 47-164
Pending 59 162 84 51-276
Total 559 142 91 50-212
   Days from diagnosis to interview
  N* Mean Median 25th-75th percentile range
All cases 403 215 178 105-290
Omitting cases from 1st year of ascertainment 279 186 145 96-261
  1. *Date of diagnosis was missing for 94 non-responders because some sites that required patient consent before information could be sent to Duke could not send exact diagnosis date for women who did not consent.