Table 5

Outbreak of Middle East Respiratory Syndrome at Tertiary Care Hospital, Jeddah, Saudi Arabia, 2014

Deborah L. Hastings¹, Jerome I. Tokars¹, Inas Zakaria A.M. Abdel Aziz, Khulud Z. Alkhaldi, Areej T. Bensadek, Basem M. Alraddadi, Hani Jokhdar, John A. Jernigan, Mohammed A. Garout², Sara M. Tomczyk, Ikwo K. Oboho, Andrew I. Geller, Nimalan Arinaminpathy, David L. Swerdlow³, and Tariq A. Madani

Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D.L. Hastings, J.I. Tokars, J.A. Jernigan, S.M. Tomczyk, I.K. Oboho, A.I. Geller, D.L. Swerdlow); Cairo University, Cairo, Egypt (I.Z.A.M. Abdel Aziz); Ministry of Health, Jeddah, Saudi Arabia (K.Z. Alkhaldi, T.A. Madani); King Fahd General Hospital, Jeddah (A.T. Bensadek, H. Jokhdar, M.A. Garout); King Faisal Specialist Hospital and Research Center, Jeddah (B.M. Alraddadi); Central Board of Accreditation for Healthcare Institutions, Jeddah (H. Jokhdar); Umm Al-Qura University, Makkah, Saudi Arabia (H. Jokhdar, M.A. Garout); International Medical Center, Jeddah (M.A. Garout); Imperial College of London, London, UK (N. Arinaminpathy); King Abulaziz University, Jeddah (T.A. Madani)

Main Article

Retrospective cohort study of risk factors for Middle East respiratory syndrome coronavirus infection acquired at King Fahd General Hospital, Jeddah, Saudi Arabia, March 2–May 10, 2014

Population or variable	No. cases	No. patient-days	Rate*	Rate ratio	p value
Emergency department, inpatient areas, dialysis unit†	50	81,987	6.1
Setting
Emergency department	22	34,897	6.3	1.2	0.64
Inpatient areas	17	26,186	6.5	1.2	0.60
Dialysis unit	11	20,904	5.3	Referent
Outbreak week: start date
1: March 2	1	8,609	1.2	Referent
2: March 9	0	11,136	0.0	Referent
3: March 16	2	11,437	1.7	Referent
4: March 23	5	11,793	4.2	4.4	0.047
5: March 30	11	10,666	10.3	10.7	<0.001
6: April 6	20	6,805	29.4	30.5	<0.001
7: April 13	8	5,654	14.2	14.7	<0.001
8: April 20	1	5,333	1.9	1.9	0.57
9: April 27	2	5,509	3.6	3.8	0.19
10: May 4	0	5,047	0.0	0.0	0.63
Emergency department, hospital inpatient areas‡	39	61,083	6.4
Nationality
Saudi	18	40,384	4.5	Referent
Non-Saudi	21	20,698	10.1	2.3	0.01
Sex
F	10	21,897	4.6	Referent
M	29	39,151	7.4	1.6	0.18
Age group, y
0–19	8	33,005	2.4	Referent
20–39	10	16,888	5.9	2.4	0.064
40–59	18	9,400	19.1	7.9	<0.001
>60	3	1,725	17.4	7.2	0.016

*Per 10,000 patient-days.
†For these analyses, cases were attributed to the setting or week that was most probable on the basis of incubation period (Tables 1, 2); p values do not reflect uncertainty caused by these attributions.
‡Denominator data for dialysis patients was not available; dialysis patients are not included in these analyses.

Main Article

¹These authors contributed equally to this article.

²Current affiliation: International Medical Center, Jeddah, Saudi Arabia.

³Current affiliation: Pfizer Inc., Collegeville, Pennsylvania, USA.

Page created: April 13, 2016

Page updated: April 13, 2016

Page reviewed: April 13, 2016

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