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Table 3 Incidence and hazard ratio of TB infection stratified by the follow-up year

From: Increased risk of pulmonary and extrapulmonary tuberculosis infection in patients with polycystic kidney disease: a nationwide population-based study with propensity score-matching analysis

Variables

Non-PKD Cohort

PKD Cohort

PKD VS. Non-PKD

n = 6770

n = 6770

Crude HR

Adjusted HR

Event

Person years

IR

Event

Person years

IR

(95% CI)

(95% CI)

Follow-up year

 < 1

26

6605

39.36

67

6268

106.89

2.69(1.71–4.23)***

2.82(1.79–4.43)***

 1–3

30

11,340

26.46

47

10,261

45.81

1.73(1.10–2.74)*

1.85(1.17–2.93)**

 3–5

24

8634

27.80

27

7374

36.62

1.31(0.76–2.27)

1.50(0.86–2.60)

 > 5

34

14,604

23.28

34

11,423

29.77

1.27(0.79–2.05)

1.54(0.95–2.49)

  1. IR incidence rates, per 10,000 person-years, HR hazard ratio, CI confidence interval
  2. Adjusted HR: adjusted for sex, age, and all comorbidities in Cox proportional hazards regression
  3. *p < 0.05, **p < 0.01, ***p < 0.001