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Table 7 Comparison of total count of nursing home residence months(n = 150, Weighted n = 520,260)

From: Validation of a method for identifying nursing home admissions using administrative claims

 

Weighted mean difference in total number of nursing home residence months (95% CI)

p-value

Weighted Pearson correlation coefficient

p-value

Algorithm 1*vs. Expert Review

-0.13 (-0.36, 0.11)

0.30

0.83

<0.0001

Algorithm 2 vs. Expert Review

-0.01 (-0.11, 0.10)

0.93

0.97

<0.0001

  1. CI = confidence interval
  2. *Algorithm 1 defined a person-month as a nursing home stay if there was at least one day in the month where the nursing home RULE = "PROBABLE"; otherwise the person-month was considered not to be a nursing home stay.
  3. Algorithm 2 defined a person-month as a nursing home stay if there was at least one day in the month where the nursing home RULE = "PROBABLE" or RULE = "POSSIBLE"; otherwise the person-month was considered not to be a nursing home stay.