Table 4 Result of sensitivity analysis
Study omitted | Estimate | 95% confidence interval | |
|---|---|---|---|
Ozkan Kanat, 2013 [76] | 1.2033992 |  − .50218731 | 2.9089859 |
By Eduardo Bruera, 2003 [72] | 1.2033992 |  − .50218731 | 2.9089859 |
Abdolrasoul Safaeiyan, 2018 [81] | 1.4308839 |  − .32518974 | 3.1869574 |
L.Payahoo, 2017 [78] | 1.2033992 |  − .50218731 | 2.9089859 |
Signe Damsbo-Svendsen, 2013 [83] | 1.2459544 |  − .47955447 | 2.9714632 |
Shlomo Yehuda, 2005 [47] | 1.7502558 |  − .02857373 | 3.5290854 |
Gerd Faxen Irving, 2009 [75] | 1.2033992 |  − .50218731 | 2.9089859 |
Sara Moradi, 2021 [82] | 1.2033992 |  − .50218731 | 2.9089859 |
Combined | 1.2033992 |  − .50218731 | 2.9089858 |