Table 2 Association between preoperative frailty and surgical outcomes.

From: Impact of preoperative laboratory frailty index on mortality and clinical outcomes in older surgical patients with cancer

Outcome

Preoperative FI-Lab

< 0.25

n = 6291

0.25–0.4

n = 2364

> 0.4

n = 360

Postoperative length of stay

Adjusted β (95% CI)

– (ref)

1.41 (0.95–1.88)

9.45 (8.40–10.50)

Readmission within 30 days of surgery

No. (%) of patients

795 (12.6)

364 (15.4)

70 (19.4)

Adjusted OR (95% CI)

1.00 (ref)

1.20 (1.04–1.38)

1.49 (1.12–1.98)

ICU admission within 30 days of surgery

No. (%) of patients

578 (9.2)

448 (19.0)

144 (40.0)

Adjusted OR (95% CI)

1.00 (ref)

1.70 (1.47–1.97)

3.58 (2.77–4.63)

Mortality

No. (%) of patients

348 (5.5)

369 (15.6)

108 (30.0)

Survival time, month, mean (95% CI)

58.05 (57.76–58.34)

54.91 (54.24–55.58)

44.59 (42.11–47.08)

Adjusted HR (95% CI)

1.00 (ref)

1.75 (1.49–2.06)

4.29 (3.41–5.40)

  1. All regression models adjusted for age at surgery, sex, number of comorbidity, operating room duration, and cancer stage. β coefficient after linear regression, OR after logistic regression, mean after Kaplan–Meier method, HR after Cox regression.
  2. CI confidence interval, FI-Lab Frailty Index-Laboratory, HR hazard ratio, ICU intensive care unit, OR odds ratio; Ref reference.
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