Table 1 The characteristics of studies included in the meta-regression analysis
No. | Author(s) | Publication year | Publication language | Data year | No. of hospitals | Proportion of teaching hospitals (%) | Number of input/output variables | Estimation method | Province | Software used to assess efficiency | Number of estimates |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Abolhalaj et al. [30] | 2011 | Persian | 2007 | 122 | 45.08 | 4/2 | DEA | NA | DEAP 2.1 | 6 |
2 | Ahmadkiadaliri et al. [31] | 2011 | English | 2006 | 19 | 21.05 | 2/4 | DEA | Khuzestan | DEAP 2.1 | 1 |
3 | Akbari et al. [32] | 2012 | Persian | 2005–2008 | 20 | NA | 4/3 | DEA | East Azerbaijan | DEAP 2.1 | 1 |
4 | Alemtabriz & Imanipour [33] | 2009 | Persian | 2005–2007 | 16 | 68.75 | 4/5 | DEA | Tehran | LINDO | 1 |
5 | Ardakani et al. [34] | 2009 | Persian | 2004–2006 | 12 | 33.33 | 3/3 | DEA | Yazd | LINDO | 1 |
6 | Asadi et al. [35] | 2012 | Persian | 2008 | 13 | 38.46 | 3/3 | DEA | Yazd | DEAP 2.1 | 1 |
7 | Askari et al. [36] | 2012 | Persian | 2001–2009 | 13 | 38.46 | 4/3 | DEA | Yazd | DEAP 2.1 | 1 |
8 | Farzianpour et al. [37] | 2012 | English | 2008–2010 | 16 | 100.00 | 3/3 | DEA | Tehran | GAMS | 1 |
9 | 2006, 2007 | Persian | 2000–2004 | 26 | 42.31 | 4/4, 4/1 | DEA, SFA | Tehran | DEAP 2.1, Frontier 4.1 | 2 | |
10 | Goudarzi et al. [40] | 2012 | Persian | 2001–2007 | 13 | 30.77 | 4/5, 4/1 | DEA, SFA | Lorestan | DEAP 2.1, Frontier 4.1 | 2 |
11 | Hajialiafzali et al. [41] | 2007 | English | 2002 | 53 | 0.00 | 4/4 | DEA | NA | DEASOFT-V1 | 1 |
12 | Hatam [42] | 2008 | English | 1996 | 18 | 0.00 | 2/4 | DEA | NA | NA | 1 |
13 | Hatam et al. [43] | 2010 | English | 2005–2006 | 21 | NA | 3/5 | DEA | Fars | GAMS | 1 |
14 | 2009, 2012 | Persian & English | 2006–2008 | 64 | 0.00 | 4/4, 4/1 | DEA, SFA | NA | WIN4DEAP, Frontier 4.1 | 2 | |
15 | Ilbeigi et al. [46] | 2012 | Persian | 2009 | 17 | NA | 2/3 | DEA | Khorasan Razavi | DEAP 2.1 | 1 |
16 | Jandaghi et al. [47] | 2010 | English | 2008 | 8 | NA | 2/3, 3/3, 5/3, 4/3 | DEA | Qom | WIN4DEAP | 4 |
17 | Marnani et al. [48] | 2012 | English | 2010 | 23 | 56.52 | 1/4 | DEA | Tehran | WIN4DEAP | 1 |
18 | Pourreza et al. [49] | 2009 | Persian | 1996–2006 | 12 | 83.33 | 4/4 | DEA | Tehran | DEAP 2.1 | 1 |
19 | Rahimi et al. [50] | 2012 | Persian | 2009 | 23 | 17.39 | 3/2 | DEA | West Azerbaijan | DEAP 2.1 | 1 |
20 | Rezapoor & Asefzadeh [51] | 2009 | Persian | 1998–2007 | 4 | 100.00 | 2/5 | DEA | Qazvin | DEAP 2.1 | 1 |
21 | Sabermahani et al. [52] | 2009 | Persian | 2007 | 13 | 23.08 | 4/3 | DEA | Kerman | DEAP 2.1 | 1 |
22 | Sajadi et al. [53] | 2009 | Persian | 2005–2006 | 23 | 13.04 | 5/5 | DEA | Isfahan | DEAP 2.1 | 2 |
23 | Salehzadeh & Ketabi [54] | 2011 | Persian | 2007 | 8 | 37.50 | 2/2 | DEA | Qom | WIN4DEAP, DEA-Master | 1 |
24 | Shahhoseini et al. [55] | 2011 | English | 2008 | 12 | 33.33 | 4/5 | DEA | NA | DEAP 2.1 | 1 |
25 | Sheikhzadeh et al. [56] | 2012 | English | 2005 | 11 | 45.45 | 4/3 | DEA | East Azerbaijan | DEAP 2.1 | 1 |
26 | Ahmad Kiadaliri [57]* | 2005 | Persian | 1996–2003 | 8 | 62.50 | 4/4, 4/1 | DEA | Tehran | DEAP 2.1 | 2 |
27 | Najafi [58]* | 2008 | Persian | 2000–2006 | 12 | 33.33 | 2/2 | DEA | Ardebil, Tehran | DEAP 2.1 | 1 |
28 | Kazemi et al. [59]* | 2009 | Persian | 2006–2008 | 11 | 18.18 | 2/2 | DEA | Southern Khorasan, Northern Khorasan, Khorasan Razavi | DEAP 2.1 | 2 |
29 | Zarei [60]* | 2000 | Persian | 1999 | 57 | 68.42 | 6/4 | DEA | Tehran | NA | 1 |