Country (ethnicity) | Control | Case | OCD diagnosis | Method of MDA assay | Sample size (Ca/Co) | Age (Ca/Co) | Gender (Ca/Co) | Severity | SYB | Duration (years) | Match | Quality assessment | Result | Reference | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | F | M | Mild | Mo | Severe | Vs | |||||||||||
Iraq (Caucasian) | 1.15 nmol/ml | 1 | 1.67 | 3.28 | NM | ELISA | (60/30) | 18–68 years | 43 | 47 | NM | NM | NM | NM | NM | NM | NM | 3 | ↑ | Mohamed et al. 2020 |
India (Asian) | 3.85 unit/mg of protein | 1.83 | 1.02 | 0.5 | ICD-10-DCR | Ohkawa | (30/30) | (23.86 ± 6.96/28.56) | (19/19 | (11/11) | NM | NM | NM | NM | 23.8 ± 1.90 | 3.9 ± 2.9 | Age and gender | 6 | ↑ | Shrivtastava et al. 2017 |
Turkey (Caucasian) | 10.32 nmol/ml | 1.51 | 5.13 | 0.98 | DSM IV | Ohkawa | (102/104) | (38.75 ± 10.88/36.39 ± 10.35) | (82/57 | (20/47) | NM | NM | NM | NM | NM | 11.26 ± 8.56 | Age and gender | 5 | ↑ | Orhan et al. [34] |
Bangladesh (Asian) | 5.7 nmol/ml | 1.7 | 4.3 | 1.2 | DSM IV | Satoh | (48/48) | (24.7 ± 4.6/21.3 ± 1) | (6/6) | (42/42) | 16 | 18 | 14 | NM | NM | < 5 30, 5–10 8, > 10 10 | Age, gender and socioeconomic status | 7 | ↑ | Shohag et al. [22] |
India (Asian) | 4.89 nmol/ml | 0.22 | 4.07 | 0.22 | DSM IV | Satoh | (20/20) | (29.70 ± 8.35/30.50 ± 9.34) | (0/0) | (20/20) | NM | NM | NM | NM | NM | Least of a year | Age and gender | 5 | ↑ | Behl et al. [32] |
Turkey (Caucasian) | 10.139 nmol/g Hb | 8.68 | 6.032 | 6.57 | DSM IV | Jain | (28/28) | (28.28 ± 5.41/28.85 ± 5.54) | (18/18 | (10/10) | 5 | 11 | 9 | 3 | 22.47 ± 5.39 | NM | Gender | 6 | ↑ | Ozdemir et al. [26] |
Turkey (Caucasian) | 0.285 μmol/g Hb | 0.05 | 0.198 | 0.03 | DSM IV | Jain | (30/30) | (29.2 ± 6.2/ 29.2 ± 7.2) | (22/21) | (8/9) | NM | NM | NM | NM | NM | NM | Age and gender | 6 | ↑ | Ersan et al. [23] |
Turkey (Caucasian) | 4.15 nmol/ml | 0.73 | 2.5 | 0.41 | DSM IV | Satoh | (34/32) | (25.72 ± 7.04/29.13 ± 9.19) | (22/19) | (12/13) | 4 | 9 | 18 | 3 | NM | 5.35 ± 3.12 | Age and gender | 6 | ↑ | Kuloglu et al. [33] |
India (Asian) | 12.63 nmol/ml RBC | 2.91 | 8.84 | 0.46 | DSM IV | Wills | (15/15) | NM | NM | NM | NM | NM | NM | NM | NM | NM | Age and gender | 3 | ↓ | Kurup et al. [27] |