Table 4

Logistic multivariate regression analyses on prolonged LOS, increased cost, and non-routine discharge disposition

VariablesProlonged LOSIncreased costNon-routine discharge
Frailty risk categoryOR (95% CI)P valueOR (95% CI)P valueOR (95% CI)P value
LowReference
Intermediate2.38 (1.84 to 3.09) <0.001 2.15 (1.66 to 2.77) <0.001 2.13 (1.79 to 2.55) <0.001
High4.49 (3.36 to 6.00) <0.001 3.62 (2.71 to 4.83) <0.001 4.17 (3.26 to 5.33) <0.001
Age0.99 (0.99 to 0.99) 0.038 0.99 (0.98 to 0.99) 0.003 1.04 (1.03 to 1.05) <0.001
Female sex0.91 (0.79 to 1.04)0.1720.86 (0.74 to 0.99) 0.035 0.76 (0.65 to 0.88) <0.001
Aphasia1.63 (1.32 to 2.01) <0.001 1.35 (1.09 to 1.66) 0.005 1.68 (1.35 to 2.11) <0.001
Dysphagia3.00 (2.55 to 3.52) <0.001 2.04 (1.72 to 2.41) <0.001 3.95 (3.20 to 4.87) <0.001
Headache0.72 (0.49 to 1.07)0.1010.51 (0.32 to 0.83) 0.006 0.50 (0.34 to 0.73) <0.001
Aneurysm location
AnteriorReference
Posterior1.02 (0.87 to 1.20)0.8241.05 (0.89 to 1.23)0.5870.85 (0.72 to 0.99)0.041
Unspecified1.00 (0.85 to 1.17)0.9541.10 (0.93 to 1.30)0.2541.30 (1.11 to 1.53) <0.001
Number of adverse events
0Reference
14.20 (2.61 to 6.76) <0.001 2.81 (1.87 to 4.24) <0.001 1.89 (1.52 to 2.36) <0.001
>119.75 (12.73 to 30.65) <0.001 14.40 (9.99 to 20.73) <0.001 6.74 (5.55 to 8.18) <0.001
  • LOS, length of stay.