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Table 5 Secondary analysis: Logistic regression for the association between frailty and POD within the sub-population (n = 517)

From: Frailty index and its association with the onset of postoperative delirium in older adults undergoing elective surgery

 

Model 2a

Frail versus non-frail

Frailty Index (continuous)

OR

[95% CI]

c-statistic

ORb

[95% CI]

c-statistic

Frailty Index without functionality (30 items)

1.95

[1.17, 3.25]

0.690

1.61

[1.28, 2.02]

0.715

Frailty Index with functionality (32 items)

1.80

[1.11, 2.91]

0.688

1.66

[1.31, 2.09]

0.718

  1. OR-odds ratio; CI-confidence interval
  2. aadjusted for age, sex, education, smoking, alcohol score, type of surgery
  3. bOR for any 0.1 increment in the frailty index