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Table 1 Methodological quality ratings and impact directions of included studies (n = 76)

From: The impact of hospital accreditation on the quality of healthcare: a systematic literature review

Themes

Definition and Examples

Related Studies Cited as per the Reference List

Methodological Quality

Impact Direction of Good & Fair Studies

Good

Fair

Poor

Positive

Negative

Neutral

Changes in organizational culture and management (n = 5)

Demonstrated as a significant quantitative hospital managerial or cultural change (e.g., safety culture, communication)

56–60

1

4

0

4

0

1

Changes at the professionals’ level (n = 10)

Demonstrated as changes in professionals’ self-reported outcome parameters (e.g., job stress, job satisfaction)

49, 59, 61–68

3

6

1

1

4

4

Changes at the patient level (n = 14)

Demonstrated as a measurable change in self-reported subjective outcome parameters from a patient and user perspective (e.g., patient satisfaction, patient experience)

21, 48, 53, 55, 69–78

6

6

2

3

2

7

Changes in patient clinical outcomes (n = 24)

Demonstrated as a statistically significant change in patient health outcome measures (e.g., mortality rate, length of stay)

8, 21, 25, 50–53, 79–95

8

12

4

15

0

5

Changes in the performance measures (n = 28)

Demonstrated as a statistically significant change in clinical performance measures (e.g., hand hygiene compliance, medication utilization)

8, 19, 28, 48, 51, 54, 60, 68, 79, 87, 90, 96–111

14

12

2

18

0

8

Changes in economic outcomes (n = 8)

Demonstrated as quantifiable changes in financial or economic outcome parameters (e.g., efficiency, profitability)

83, 90, 112–117

4

4

0

5

1

2