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Table 7 The relationship between hospital performance and characteristics of hospitals from 2002 to 2008*

From: Development and impact of the Iranian hospital performance measurement program

A) The relationship between hospital performance and ownership of hospitals
Hospital type Time period The average increase/decrease in performance per year by ownership of hospitals (relevant p-values) Total performance increase (p-value)  
   Government SSO Private Army Charity Other   
General 2002-2005 24 (0.890) 197 (0.325) 92 (0.621) 97 (0.647) 52 (0.835) 265 (0.384) 317 (0.776)  
  2006-2008 -243 (0.126) -331 (0.075) -345 (0.047) -249 (0.214) 81 (0.718) 453 (0.557) 209 (0.118)  
Specialized 2002-2008 -88 (0.038) -55 (0.382) -63 (0.220) -81 (0.175) 24 (0.729) 126 (0.495) 46 (0.135)  
B) The relationship between hospital performance and teaching status of hospitals
Hospital type Time period The average performance increase/decrease per year by teaching status of hospitals and relevant p-values Total performance increase (p-value)      
   Teaching Non-teaching       
General 2002-2005 -118 (0.113) 347 (0.877) 317 (0.113)      
  2006-2008 -141 (0.044) 228 (0.929) 209 (0.044)      
Specialized 2002-2008 -15 (0.307) 53 (0.707) 46 (0.307)      
C) The relationship between hospital performance and size of hospitals
Hospital type Time period The average performance increase/decrease per year by size (bed number) category of hospitals and relevant p-values Total performance increase (p-value)  
   ≤100 101-200 201-300 301-400 401-500 >500   
General 2002-2005 96 (0.703) -4 (0.987) 133 (0.629) -118 (0.710) -142 (0.700) 265 (0.328) 317 (0.608)  
  2006-2008 114 (0.597) 49 (0.824) 124 (0.599) 191 (0.482) 15 (0.962) 103 (0.521) 209 (0.872)  
Specialized 2002-2008 -19 (0.699) -21 (0.663) -40 (0.495) -1 (0.991) -5 (0.945) 66 (0.042) 46 (0.986)  
D) The relationship between hospital performance and national medical universities ranking (which is affiliate the hospital)
Hospital type Time period Total number of hospital (n) The average performance increase/decrease per year by medical university rank and relevant p-values Total performance increase (p-value)
    Grade 1 n Grade 2 n Grade 3 n  
General 2002-2005 2214 -78 (0.512) 1127 -22 (0.858) 890 366 (0.912) 193 317 (0.650)
  2006-2008 1666 -78 (0.491) 858 -216 (0.063) 658 331 (0.938) 150 209 (0.053)
Specialized 2002-2008 1000 49 (0.053) 577 4 (0.885) 331 16 (0.263) 92 46 (0.009)
  1. * Statistically significant relationships are shown in bold.