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Table 2 Missing Data Patterns in the Study Cohort

From: Impact of missing data on bias and precision when estimating change in patient-reported outcomes from a clinical registry

Pattern

Pre-Operative

Post-Operative

%

1

O

O

57.4

2

O

X

32.3

3

X

O

5.9

4

X

X

4.4

  1. O – Observed; X – Missing
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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