Table 1. HIV infections among Amsterdam residents in 2014-2018.

Risk group	Observed HIV diagnoses in Amsterdam residents in 2014-May 2019(n)	Observed HIV diagnoses in Amsterdam residents in 2014-May 2019 with CD4 <350(n)	Observed HIV diagnoses in Amsterdam residents, estimated to have been infected in 2014–2018(n)	Estimated undiagnosed HIV infections in Amsterdam residents until May 2019(%)	Estimated HIV infections in Amsterdam residents in 2014–2018(n)
Total	846	275	516	19% [17–21%]	636 [620-656]
MSM (all)	671	192	446	14% [12–16%]	516 [506-529]
MSM (Dutch-born)	298	103	190	11% [9–13%]	214 [209-219]
MSM (Born in W. Europe, N. America and Oceania)	100	12	80	9% [6–14%]	88 [85-93]
MSM (Born in E. and C. Europe)	51	8	32	16% [11–24%]	38 [36-42]
MSM (Born in S. America and the Caribbean)	124	38	83	17% [13–22%]	100 [95-107]
MSM (Born in any other country)	98	31	61	20% [14–27%]	76 [71-83]
Heterosexuals (all)	175	83	70	41% [35–48%]	119 [107-135]
Heterosexuals (Dutch-born)	51	19	23	30% [21–44%]	33 [29-41]
Heterosexuals (Born in Sub-Saharan Africa)	67	36	17	57% [47–67%]	40 [32-51]
Heterosexuals (Born in S. America and the Caribbean)	37	18	21	28% [19–42%]	29 [26-36]
Heterosexuals (Born in any other country)	20	10	9	40% [25–57%]	15 [12-21]

Posterior estimated median time from infection to diagnosis [95% CI].