. 2015 Apr 8;15(5):559–564. doi: 10.1016/S1473-3099(15)70090-3

Table 2.

Age profiles in groups of patients with MERS-CoV infection in Saudi Arabia

	Total	Mean age, years (SD)	Median age, years (IQR)	Reference	Date
Patients with serological evidence of past infection	18	43·50 (17·27)	42 (30·8–50·0)	This study	2012–13
Patients with clinically apparent infection^*	482	53·76 (17·51)^†	55 (41·0–68·0)	MERS-CoV spatial, temporal, and epidemiological information²¹	2012–14
Index patients in household-contact study	24	54·29 (19·92)^†	55 (46·3–69·3)	Drosten et al, 2014¹²	2013

Data from Saudi Arabia in 2012–14. MERS-CoV=Middle East respiratory syndrome coronavirus.

Notified primary or index cases.

^†

Significantly different mean age compared with cases with serological evidence of infection (two-tailed Mann-Whitney U exact test); p=0·008 for clinically apparent cases and p=0·017 for index cases in household contact study.