Impact of the Accreditation Program of the Saudi Central Board for Accreditation of Healthcare Institutions on the Safety Dimension of the Institute of Medicine Quality

Figures & data

Table 1 Background Information on the Five CBAHI-Accredited Hospitals in Madinah

Hospital Name	Bed Capacity	Location/City	Accreditation Date
H1	233	Madinah	2011
H2	500	Madinah	2015
H3	250	Madinah	2011
H4	112	Yanbu	2012
H5	90	Madinah	2012

Abbreviations: H1, hospital 1; H2, hospital 2; H3, hospital 3; H4, hospital 4; H5, hospital 5.

Table 2 Data Collected According to the Year of the Pre-, During, or Post-Accreditation Periods of All Five Hospitals Included in the Study

Hospital Name	Pre-Accreditation	During Accreditation	Accreditation Date	Post-Accreditation
H1	2008	2009–2011	2011	2012
H2	2012	2013–2015	2015	2016
H3	2008	2009–2011	2011	2012
H4	2009	2010–2012	2012	2013
H5	2009	2010–2012	2012	2013

Abbreviations: H1, hospital 1; H2, hospital 2; H3, hospital 3; H4, hospital 4; H5, hospital 5.

Table 3 Descriptive Statistics for the Mean of the Incident Reports at the Pre-, During, and Post-Accreditation Periods

Period	Mean	SD	Min	Max
Pre-accreditation	25.9	4.6	18.4	32.6
During accreditation	32.0	8.2	17.4	49.0
Post-accreditation	38.0	6.1	28.6	49.2

Table 4 Trends and Changes in the Mean Incident Reports Pre, During, and Post-Accreditation

Period	Slope (95% CI)	P-value
Pre-accreditation	0.20 (−1.07, 1.47)	0.755
Changes in slope pre- and during accreditation	−0.04 (−1.34, 1.25)	0.946
During accreditation	0.15 (−0.09, 0.40)	0.210
Changes in slope during post-accreditation	0.01 (−1.33, 1.35)	0.985
Post-accreditation	0.17 (−1.15, 1.48)	0.800

Figure 1 Changes in the mean of the incident reports pre, during, and post-accreditation.

Table 5 Descriptive Statistics for the Mean of Medication Errors at the Pre-, During, and Post-Accreditation Periods

Period	Mean	SD	Min	Max
Pre-accreditation	201.9	12.8	194.8	234.8
During accreditation	189.6	70.6	90.4	307.2
Post-accreditation	93.4	11.8	77.2	108.8

Table 6 Trends and Changes in the Medication Errors Pre, During, and Post-Accreditation

Period	Slope (95% CI)	P-value
Pre-accreditation	−0.19 (−5.14, 4.76)	0.937
Changes in slope pre à during accreditation	−5.77 (−10.81, −0.73)	0.026
During accreditation	−5.96 (−6.91, −5.01)	<0.001
Changes in slope during à post-accreditation	7.95 (2.97, 12.94)	0.002
Post-accreditation	1.99 (−2.90, 6.88)	0.417

Figure 2 Changes in the mean of medication errors before, during, and after accreditation.

Table 7 Descriptive Statistics for the Mean of Nosocomial Infections at the Pre-, During, and Post-Accreditation Periods

Period	Mean	SD	Min	Max
Pre-accreditation	8.3	1.7	4.9	11.1
During accreditation	8.0	2.1	4.3	12.5
Post-accreditation	8.7	1.4	6.5	11.3

Table 8 Trends and Changes in the Nosocomial Infection Pre, During, and Post-Accreditation

Period	Slope (95% CI)	P-value
Pre-accreditation	0.21 (−0.13, 0.54)	0.224
Changes in slope pre- and during accreditation	−0.24 (−0.58, 0.10)	0.165
During accreditation	−0.03 (−0.10, 0.03)	0.292
Changes in slope during and post-accreditation	−0.09 (−0.43, 0.24)	0.576
Post-accreditation	−0.13 (−0.46, 0.20)	0.439

Figure 3 Changes in the mean of nosocomial infections before, during, and after accreditation.