Table 5 Cox proportional hazard ratios for times until death and until other poor health outcomes: ILAS.

From: Subtypes of physical frailty: Latent class analysis and associations with clinical characteristics and outcomes

Frail state

Poor health Outcomes

Number/death n

Death

Total

HR (95% CI)

p-value

HR (95% CI)

p-value

Robust

970/2

1.00 (reference)

 

1.00 (reference)

 

Non-mobility group*

61/0

N/A

0.988

1.00 (0.31–3.25)

0.999

Mobility group†

385/6

6.82 (1.37–33.85)

0.019

1.67 (1.02–2.74)

0.040

Low activity

166/1

3.76 (0.34–41.60)

0.281

0.71 (0.25–1.99)

0.514

Non-mobility + Low activity

14/0

N/A

0.994

1.55 (0.21–11.27)

0.667

Mobility + Low activity

154/5

17.16 (3.33–88.51)

0.001

2.67 (1.47–4.84)

0.001

  1. *Non-mobility group: participants with weight loss, exhaustion or both. †Mobility group: participants with weakness, slowness or both. HR, hazard ratio; CI, confidence interval, ILAS, The I-Lan Longitudinal Aging Study; N/A, not available.
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