Table 1.

Summary of global annual predicted estimates of neonates with the HbS allele

	Mean (SE)*	Median (SE)*	IQR (SE)*†	Modell and Darlison†
HbAS	5 496 253 (27 780)	5 476 407 (30 783)	5 290 779 (25 205) to 5 679 288 (21 244)	..
HbSS	313 945 (2008)	312 302 (1779)	294 307 (1180) to 329 729 (2401)	222 785‡

Population 6 912 202 000 (crude birth rate 0·01899²³).

^*Monte Carlo standard error.

^†Neonate estimates from Modell and Darlison.⁷

^‡Estimate falling outside our 90% credible interval.