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Table 2

Incidence of pyogenic liver abscesses between weight loss and non-weight loss groups stratified

Variable Weight loss Non-weight loss
N Event Person-years Incidence N Event Person-years Incidence† IRR* (95% CI)
All 8453 20 37929 5.27 33777 67 159763 4.19 1.26 (1.15, 1.37)
Sex
Female 4012 4 18662 2.14 16028 26 76711 3.39 0.63 (0.54, 0.74)
Male 4441 16 19267 8.30 17749 41 83052 4.94 1.68 (1.51, 1.88)
Age group (years)
20-39 1811 1 8987 1.11 7287 4 36548 1.09 1.02 (0.82, 1.27)
40-64 4139 12 19013 6.31 16490 26 78554 3.31 1.91 (1.70, 2.13)
65-84 2503 7 9929 7.05 10000 37 44660 8.28 0.85 (0.72, 1.01)
Follow-up period (months)
<3 8453 1 2095 4.77 33777 2 8430 2.37 2.01 (1.83, 2.22)
≥3 8293 19 35834 5.30 33657 65 151333 4.30 1.23 (1.13, 1.35)

Incidence: per 10000 person-years.

*

IRR (incidence rate ratio): weight loss vs. non-weight loss. (95% confidence interval)

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