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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