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Table 2 Effects of the presence of organisational features to improve the quality of care at hospitals

From: The relationship between organisational characteristics and the effects of clinical guidelines on medical performance in hospitals, a meta-analysis

  Total comparisons Inpatient Outpatient
Organisational effect modifiers n OR (95%CI) n OR (95%CI) n OR (95%CI)
leadership       
   management support 20 1.95 (1.26–3.03) 5 2.77 (0.90–8.51) 11 1.47 (0.83–2.62)
   no management support 61 2.20 (1.71–2.84) 24 1.98 (1.21–3.24) 30 2.66 (1.94–3.65)
learning environment       
   Academic hospital 44 2.15 (1.62–2.86) 9 3.42 (2.25–5.19) 32 1.91 (1.41–2.59)
   non academic hospital 37 2.11 (1.49–2.98) 20 1.44 (0.95–2.19)* 9 3.90 (2.87–5.29)*
functional differentiation       
   >1 medical speciality involved 23 1.57 (1.03–2.38) 13 1.79 (0.90–3.54) 5 1.33 (0.41–4.36)
   1 medical speciality involved 58 2.39 (1.87–3.06) 16 2.48 (1.39–4.41) 36 2.43 (1.80–3.27)
   more physician types 38 2.06 (1.53–2.79) 15 1.97 (1.15–3.37) 21 2.35 (1.52–3.61)
   one physician type 43 2.22 (1.61–3.06) 14 2.62 (1.20–5.76) 20 2.21 (1.46–3.34)
   multiprofessional task 14 1.64 (0.94–2.88) 3 1.46 (0.09–24.0) 9 1.86 (0.93–3.71)
   no multiprofessional task 67 2.25 (1.78–2.85) 26 2.25 (1.44–3.53) 32 2.41 (1.74–3.34)
local consensus       
   own guideline 45 1.99 (1.49–2.65) 19 2.11 (1.24–3.60) 23 2.08 (1.41–3.06)
   external guideline 36 2.35 (1.68–3.30) 10 2.26 (0.99–5.18) 18 2.57 (1.63–4.06)
   own intervention 59 1.78 (1.36–2.32) 16 2.56 (1.56–4.21) 36 1.85 (1.32–2.60)
   external intervention 22 4.62 (2.82–7.57)** 13 1.37 (0.60–3.11) 5 12.7 (4.99–32.2)**
  1. n: number of comparisons; OR: Odds ratios (95% confidence interval)
  2. significant differences between presence or absence of possible moderators: * p < 0.05 ** p < 0.01