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Table 1 Comparison of CD4+ and weight using Complete Case, Imputation and Imputation then Deletion

From: Treating loss-to-follow-up as a missing data problem: a case study using a longitudinal cohort of HIV-infected patients in Haiti

Clinical Characteristic

Without Imputation

With Imputation

With Imputation then Deletion

CD4+ count (cells/μL)

 Median (IQR) [range]

131 (51–212) [0–1400]

141 (60–223) [1–1416]

124 (53–138) [1–1416]

 Missing

12%

N/A

N/A

Body weight (kg)

 Men median (IQR)

56 (50–63)

55 (48–62)

55(48–62)

 Women median (IQR)

49 (44–56)

48 (42–54)

48 (42–55)

 Missing

3%

N/A

N/A

 Outcome

12%

N/A

12%