Open Access

Table 2

Incidence of human immunodeficiency virus infection estimated by age and follow-up period between male subjects with and without weight loss.

Non-weight loss
Weight loss
Variable N Event Person-years Incidence N Event Person-years Incidence IRR* (95% CI)
All 18982 16 88694 1.80 4748 14 20502 6.83 3.79 (3.41, 4.21)
Age group (years)
 < 20 686 1 3570 2.80 168 0 875 0.00 - -
 20-39 3719 10 18572 5.38 928 6 4526 13.3 2.46 (1.95, 3.10)
 40-64 8488 3 40383 0.74 2128 6 9554 6.28 8.45 (7.07, 10.1)
 65-84 6089 2 26168 0.76 1524 2 5547 3.61 4.72 (3.94, 5.65)
Follow-up period (months)
 < 6 18982 2 9440 2.12 4748 9 2310 39.0 18.6 (16.1, 21.4)
 ≥ 6 18783 14 79254 1.77 4512 5 18191 2.75 1.59 (1.41, 1.80)

Incidence rate: per 10000 person-years.

*

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