Table 1.

Sample characteristics of 883 MERS patients

Characteristics	Levels	n	%
Gender	Female	273	30.9
	Male	610	69.1
Age	<30 years	90	10.2
	30–59 years	444	50.3
	60–65 years	106	12.0
	>65 years	243	27.5
Healthcare worker	No	767	86.9
	Yes	116	13.1
Comorbidity	No	226	27.4
	Yes	599	72.6
Symptomatic MERS	No	83	9.4
	Yes	799	90.6
Severity of illness	No	469	55.0
	Yes	384	45.0
Region	Saudi Arabia	766	86.7
	Middle East	44	5.0
	Republic of Korea	65	7.4
	Other countries	8	0.9
Source of infection	Household	85	9.6
	Camels	195	22.1
	Healthcare-associated MERS	368	41.7
	Unknown	235	26.6
14-day mortality		144	16.3
45-day mortality		301	34.1
Overall mortality		323	36.6