Authors | Population | Method | Sample size | SL | SM | Class |
---|---|---|---|---|---|---|
Ho JPY et al. [40] | Asian (38% Indian [South Asia], | CT | 100 | – | – | M |
25% Chinese [East Asia], and 37% | – | – | F | |||
Malay [Southeast Asia]) | 10.9 ± 3.7 | 11.3 ± 3.2 | C | |||
Haddad et al. [41] | Caucasian | MRI | 59 | – | – | M |
– | – | F | ||||
4.4 ± 4.2 | 4.2 ± 3.7 | C | ||||
Haddad et al. [41] | Asian | MRI | 37 | – | – | M |
– | – | F | ||||
8.1 ± 4.0 | 7.9 ± 3.7 | C | ||||
Khattak et al. [42] | Asian | X-rays | 59 | 12.0 ± 3.1 | 12.5 ± 3.7 | M |
(Pakistanis) | 11.9 ± 4.5 | 16.0 ± 3.6 | F | |||
 | – | – | C | |||
Yue et al. [10] | Asian | CT | 40 | 5.2 ± 3.6 | 6.0 ± 2.5 | M |
(Chinese) | 4.8 ± 2.8 | 5.4 ± 2.3 | F | |||
 | – | – | C | |||
Zhang et al. [38] | Asian | CT | 80 | – | – | M |
(South China) | – | – | F | |||
 | 7.6 ± 2.5 | 8.4 ± 3.1 | C | |||
Our study | Egyptian | MRI | 200 | 6.8 ± 2.2 | 8.0 ± 2.7 | M |
7.0 ± 2.1 | 9.1 ± 2.8 | F | ||||
6.9 ± 2.8 | 8.6 ± 2.9 | C |