Table 4 Associations between frailty, other variables and in-hospital mortality

Frailty (vs No)

0.76 (0.64, 0.89)

< 0.001

0.40 (0.33, 0.49)

< 0.001

  46–64

1.49 (1.33, 1.68)

< 0.001

1.27 (1.10, 1.46)

0.001

  ≥ 65

2.81 (2.48, 3.18)

< 0.001

2.24 (1.93, 2.61)

< 0.001

  Male

0.98 (0.90, 1.07)

0.625

  Black

0.63 (0.55, 0.73)

< 0.001

0.70 (0.59, 0.82)

< 0.001

  Hispanic

0.73 (0.63, 0.85)

< 0.001

0.74 (0.63, 0.87)

< 0.001

  Asian or Pacific Islander

0.99 (0.80, 1.23)

0.958

0.79 (0.62, 1.01)

0.063

  Other

0.84 (0.68, 1.05)

0.123

0.82 (0.64, 1.05)

0.113

  Quartile 2

0.94 (0.85, 1.05)

0.291

  Quartile 3

1.01 (0.90, 1.13)

0.868

  Quartile 4

0.93 (0.82, 1.05)

0.236

 aSAH severity

1.23 (1.22, 1.25)

< 0.001

1.23 (1.22, 1.25)

< 0.001

  Microsurgical clipping

0.87 (0.80, 0.96)

0.004

0.98 (0.87, 1.09)

0.685

 Cerebral herniation

4.18 (3.48, 5.02)

< 0.001

2.28 (1.84, 2.82)

< 0.001

 Cerebral edema

2.36 (2.11, 2.64)

< 0.001

1.32 (1.14, 1.53)

< 0.001

 Diabetes

1.21 (1.08, 1.36)

0.002

1.03 (0.89, 1.19)

0.728

 Hypertension

1.05 (0.97, 1.14)

0.255

 Peripheral vascular disorders

1.14 (0.98, 1.33)

0.083

 Vasospasm

1.43 (1.10, 1.86)

0.007

1.39 (1.02, 1.90)

0.036

  Medium

1.24 (0.93, 1.66)

0.142

  Large

1.11 (0.85, 1.45)

0.453

  Urban

0.88 (0.79, 0.99)

0.038

1.27 (1.05, 1.54)

0.013

  Teaching

0.67 (0.60, 0.74)

< 0.001

0.64 (0.56, 0.74)

< 0.001