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Table 2 Linear regression analyses to estimate the standardized regression coefficients of various characteristics on hospital length of stay (the primary outcome).

From: Adverse outcomes following hospitalization in acutely ill older patients

Characteristic

Standardized regression coefficient (95% CI)

P Value

Age

0.03 (-0.14, 0.20)

0.73

Male sex

0.05 (-0.13, 0.22)

0.60

Married

0.06 (-0.29, 0.41)

0.75

Independent living before hospitalization

0.10 (-0.07, 0.27)

0.24

Number of medications at admission

-0.14 (-0.31, 0.03)

0.10

Cumulative illness rating scale score

0.08 (-0.09, 0.25)

0.37

Geriatric prognostic index score

-0.06 (-0.23, 0.11)

0.52

Clinical frailty scale score

0.20 (0.04, 0.37)

0.02

Number of independent ADL

0.06 (-0.11, 0.23)

0.46

Folstein mini-mental state examination score

0.01 (-0.16, 0.18)

0.94

Geriatric depression scale score

0.06 (-0.12, 0.23)

0.52

Timed up and go test score

0.33 (0.16, 0.49)

<0.001

Standing with 2 feet balance test score

-0.28 (-0.44, -0.12)

0.001

  1. Characteristics with positive coefficients imply increased values were associated with longer length of stay, whereas negative coefficients imply vice versa. CI = confidence interval.