First author, year | Mild (n = 13) | Moderate (n = 21) | Severe (n = 9) |
Duru, 2012 [19] | 126.67 ± 55.97 | 134.32 ± 61.55a | 138.79 ± 58.83ab |
Mild (n = 5) | Moderate (n = 15) | Severe (n = 14) | |
Traxdorf, 2016 [21] | 16.9 ± 5.26 | 21.5 ± 7.18a | 20.37 ± 12.15ab |
Mild (n = 32) | Moderate (n = 14) | Severe (n = 7) | |
Riad, 2017 [22] | 67.66 ± 53.3 | 60.5 ± 68.51a | 91 ± 96.5ab |