Open Access

Table 2

Incidence of cancer estimated by sex, age, and follow-up period between subjects with and without weight loss.

Variable Non-weight loss
Weight loss
IRR* (95% CI)
N Event Person-years Incidence N Event Person-years Incidence
All 32826 1367 15756 8.89 8210 643 36080 17.8 2.00 (1.89, 2.13)
Sex
 Female 15644 493 74363 6.63 3913 234 17839 13.1 1.98 (1.81, 2.17)
 Male 17182 874 79392 11.0 4297 409 18242 22.4 2.04 (1.88, 2.21)
Age group (years)
 20-39 7262 44 36352 1.21 1808 26 8929 2.91 2.41 (2.08, 2.79)
 40-64 16095 590 75973 7.77 4033 286 18089 15.8 2.04 (1.87, 2.22)
 65-84 9469 733 41430 17.7 2369 331 9062 36.5 2.06 (1.86, 2.29)
Follow-up period (months)
 < 1 32826 279 32493 8.59 8210 390 7776 50.2 5.84 (5.48, 6.23)
 1-3 32133 450 65380 6.88 7611 126 16293 7.73 1.12 (1.05, 1.20)
 ³ 3 23188 638 66906 9.54 5870 127 15549 8.17 0.86 (0.78, 0.94)

Incidence rate: per 1000 person-years.

*

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

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