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Table 1 Prevalence and Co-Occurrence of Missing Data

From: "Summary Page": a novel tool that reduces omitted data in research databases

  Total Missing Gender, N (%, 95% CI) Missing DOB, N (%, 95% CI) Missing Cancer Site N (%, 95% CI)
Record with missing XRT Start not found on manual review
(no data error)
226 18 (8.0; 4.8-12.3) 15 (6.6; 3.8-10.7) 20 (8.85; 5.5-13.3)
Records with missing XRT Start found on manual review
(data error: omitted XRT start)
118 18 (15.2; 9.3-23.0) 12 (10.2; 5.4-17.1) 24 (20.3; 13.5-28.7)
P-value1   < 0.0001 0.031 < 0.0001
  1. 1P-value represents a Fisher exact test between the fractions of records with omitted data among records with omitted vs. not omitted XRT start date