Table 4 Risk of developing urinary tract infection according to different subgroups

Outcomes

Age < 65 years

(n = 51,071)

Age ≥ 65 years

(n = 28,816)

HR

95 % CI

HR

95 % CI

No FRAIL item

1

–

1

–

1 item

1.16

1.08–1.24^a

1.17

1.06–1.28^b

2 items

1.23

1.11–1.37^b

1.22

1.10–1.36^b

≥ 3 items

1.05

0.71–1.54

1.54

1.25–1.88^a

Per 1 item increase

1.11

1.06–1.16^a

1.10

1.05–1.15^a

Female

(n = 24,240)

Male

(n = 55,647)

HR

95 % CI

HR

95 % CI

No FRAIL item

1

–

1

–

1 item

1.21

1.11–1.31^a

1.17

1.09–1.26^a

2 items

1.31

1.18–1.46^a

1.19

1.08–1.31^b

≥ 3 items

1.51

1.14–1.99^b

1.32

1.06–1.65^c

Per 1 item increase

1.14

1.08–1.20^a

1.09

1.04–1.14^b

Earlier stage CKD

(n = 78,486)

Stage 5 CKD

(n = 1,401)

HR

95 % CI

HR

95 % CI

No FRAIL item

1

–

1

–

1 item

1.19

1.13–1.26^a

1.17

0.76–1.78

2 items

1.24

1.16–1.34^a

1.28

0.73–2.25

≥ 3 items

1.42

1.19–1.69^a

2.15

0.57–8.07

Per 1 item increase

1.11

1.07–1.15^a

1.16

0.89–1.51