Table 2. ‘Average incidence’ estimates by age group using the biomarker and synthetic cohort methods.

	Age-continuous biomarker mothod			Synthetic cohort method
Age group years	Males P.E. (95% CI) cases/100PY	Females P.E. (95% CI) cases/100PY	Total P.E. (95% CI) cases/100PY	Males P.E. (95% CI) cases/100PY	Females P.E. (95% CI) cases/100PY	Total P.E. (95% CI) cases/100PY
[15,20)	0.45 (0.08,0.88)	1.92 (1.02,3.05)	1.20 (0.73,1.78)	0.27 (0.00,0.60)	2.90 (2.30,3.48)	1.61 (1.24,1.92)
[20,25)	0.71 (0.16,1.38)	3.73 (2.41,5.30)	2.20 (1.51,2.92)	1.59 (1.14,2.05)	5.26 (4.53,6.20)	3.40 (2.96,3.91)
[25,30)	1.50 (0.40,2.73)	3.62 (2.04,5.38)	2.52 (1.52,3.45)	5.09 (3.36,6.64)	5.70 (4.33,7.30)	5.38 (4.23,6.65)
[30,35)	2.02 (0.24,4.50)	2.66 (0.71,5.47)	2.33 (0.99,4.30)	4.07 (0.00,11.18)	8.53 (2.29,16.43)	6.20 (2.47,11.29)
[15,30)	0.81 (0.22,1.45)	2.95 (1.98,4.04)	1.87 (1.31,2.43)	2.00 (1.53,2.46)	4.39 (4.00,4.85)	3.19 (2.83,3.56)

Weighted by susceptible population density.