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Otieno, CA, Wairimu S, Madadi VO, Kimani E, Jama HH, Ayah R.  2018.  TO DETERMINE THE USE OF LOCAL RAW MATERIALS IN MANUFACTURE OF MEDICAL DEVICES: CASE STUDY OF ZEOLITE FOR OXYGEN CONCENTRATOR , 24th October. 1st Annual Conference on Science for Development: Supporting Manufacturing, Affordable Housing, Universal Healthcare and Food Security . , Nairobi, Kenya
Ayah, R, Gitau S, Rogge M, Mugasia D, Hoyle W, Ogot M.  2018.  Creating High Value, High Impact Products from Recycled Plastic: Case Study, Building Digital Microscopes for Malaria Diagnosis. , 24 October. 1st Annual Architecture & Engineering Conference. , Nairobi, Kenya
Kimani, EK, Ayah R, Jama HH.  2018.  Prototyping Process at the University of Nairobi Maker-Space: A Case Study of Medical Devices for Maternal Newborn Health, 22 October. 1 st Annual Architecture and Engineering Conference 2018. , Nairobi, Kenya
Lolgisoi, LB, Kimani EK, Ayah R, Jama HH.  2018.  Improving the Prototyping Manufacturing Processes: The Development of an Assembly Manual for Suction Machine, 22 October. 1 st Annual Architecture and Engineering Conference 2018. , Nairobi, Kenya
Ayah, R.  2018.  Clinical Team Effectiveness and Scaling up of HIV Treatment and Care: A Survey of ART Services Nairobi County, 10th September . HIV Prevention, Care and Treatment Scientific Conference. , Nairobi, Kenya


Olago, D, Kanoti J, Opiyo N, Nyamai C, Taylor R, Dulo SI, Ayah R.  2016.  An overview of groundwater and sanitation challenges in Kisumu City, Kenya., 25 September. 23rd IAH Congress . , Montepellier, France
Mayora, C, Nangami M, Ayah R, SImba D, Mafuta E, Wondafresh B, Rugema R, Tetui M, Paina L, Jessani N, Bennett SC, Bazeyo WI.  2016.  Institutional collaboration is critical in building capacity for health systems research in low income countries: Experience from the Africa Hub program, 14 November. Fourth Global Symposium on Health Systems Research. , Vancouver



Ayah, R, Joshi MD, Wanjiru R, Njau EK, Otieno FC, Njeru E, Mutai KK.  2013.  A population-based survey of prevalence of diabetes and correlates in an urban slum community in Nairobi, Kenya. . World Diabetes Congress. :327., Melbourne, Australia
National Council for Population and Development(NCPD).  2013.  Kenya Population Situation Analysis. Kenya Population Situation Analysis. , Nairobi: National Council for Population and Development (NCPD)
Ayah, R, JOSHI MD, Wanjiru R, Njau EK, Otieno CF, Njeru EK, Mutai KK.  2013.  A population-based survey of prevalence of diabetes and correlates in an urban slum community in Nairobi, Kenya. BMC Public Health. 13(20):371.


Organization, WH.  2012.  Joint National Capacity Assessment on the implementation of effective tobacco control policies in Kenya, 2012. :1-44., Geneva: World Health Organization


Oluoch-Aridi, J, Ayah R, Wariero J.  2011.  Community Health Workers at the Millennium Villages Project increase access to the health workforce. Global Health Workforce Alliance Forum 2011. . , Bangkok: Second Global Forum on Human Resources for Health


Ayah, R, Oluoch-Aridi J.  2010.  Early results of improved management of CHWs: Lessons from MVP sites in Kenya, Uganda and Tanzania. First Global Symposium of on Health Systems Research . , Montreux, Switzerland: World Health Organization


RICHARD, DRAYAH, N. PROFNGUGIELIZABETH.  1997.  Impact of user fees in health. Ayah RT. East Afr Med J. 1997 Dec;74(12):749-50.. East Afr Med J. 1997 Dec;74(12):749-50. : Academic Journals Abstract
OBJECTIVE: To determine the local aetiological spectrum of surgically relevant causes of abdominal pain. DESIGN: A prospective descriptive study was carried out. SETTING: Kenyatta National Hospital, Nairobi, Kenya during the month of October 2002. SUBJECTS: Patients aged 13 years and older presenting to the casualty department with abdominal pain were followed through the hospital system to determine whether they would undergo laparotomy and, in those cases who underwent laparotomy, to determine the nature of the pathology found at laparatomy. RESULTS: Abdominal pain was a presenting complaint in 1557 (16.7%) of patients presenting to the casualty department during the study period. Abdominal pain accounted for 17.9% (398 out of 2225 patients) of all admissions via the casualty department. Laparotomy was performed on 68 (4.4%) of patients who presented with abdominal pain to the casualty department. In female patients presenting with abdominal pain, the incidence of ectopic pregnancy and acute appendicitis was 65.3% and 16.3% respectively. The incidence of neoplasia found at laparatomy, for abdominal pain, on patients admitted to the general surgical ward was 3.0%. The incidence of neoplasia, as a cause of abdominal pain resulting in laparatomy was 3.3%. CONCLUSION: The results highlight the fact, with respects to abdominal pain, that there are significant differences between the disease patterns in different geographical locations. Assuming the converse could adversely affect the management of patients with abdominal pain locally.

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