Table 2.

Overall mortality and its relation to patients’ characteristics, December 2, 2014 and November 12, 2016

		No		Yes
Characteristics	Levels	463(70.2%)		197(29.8%)		P
Elderly	Yes	142	54.8	117	45.2	0.001*
	No	321	80.0	80	20.0
Male Gender	Yes	311	68.8	141	31.2	0.281
	No	151	72.9	56	27.1
Saudi Nationality	Yes	299	64.2	167	35.8	0.001*
	No	164	84.5	30	15.5
Healthcare worker	Yes	103	98.1	2	1.9	0.001*
	No	360	64.9	195	35.1
Pre-existing illness	Yes	104	39.4	160	60.6	0.001*
	No	102	84.3	19	15.7
Symptomatic	Yes	427	68.8	194	31.2	0.001*
	No	36	97.3	1	2.7
Severity of illness	Yes	138	50.0	138	50.0	0.001*
	No	325	85.1	57	14.9
Source of infections	Camels	205	74.8	69	25.2	0.001*
	House hold contact	42	95.5	2	4.5
	Hospital-acquired infections	61	72.6	23	27.4
	Unknown	155	60.5	101	39.5
Region	Central	293	68.9	132	31.1	0.401
	East	69	68.3	32	31.7
	South	34	70.8	14	29.2
	West/North	67	77.9	19	22.1

*Significant at α = 0.05