Table 4.
Sociodemographic characteristics of included studies of looking at IL-8/CXCL8 concentrations in depression.
| Study/year | N (D, ND) | Gender (% male) (D, ND) | Age, years (D, ND) | Comorbidities |
|---|---|---|---|---|
| Song et al. (1998) | 20 (6/14) | 33.3%/57% | 50.3 ± 15.3 and 45.5 ± 15.5 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| O'Brien et al. (2007) | 52 (28/24) | 32%/41.7% | 44.15 ± 13.20 and 35.58 ± 8.98 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| Simon et al. (2008) | 98 (49/49) | 59.18%/57.14% | 41.65 ± 11.07 and 41.69 ± 11.28 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| Eller et al. (2008) | 145 (100/45) | 35%/42.2% | 32.1 ± 11.9 and 32.9 ± 14.1 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| Jonsdottir et al. (2009) | 84 (42/42) | 0/0 | 42.1 ± 9.4 and 42.7 ± 7.5 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| Lehto et al. (2010) | 122 (61/61) | 31.3%/31.3% | 53.74 ± 1.19 and 53.77 ± 1.2 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
| Hocaoglu et al. (2012) | 60 (30/30) | 20%/53.3% | 38 ± 13 and 30 ± 9 | No endocrinological or general medical conditions (e.g. diabetes, heart disease). |
Abbreviations: D,depressed; ND, non-depressed; DSM, Diagnostic and Statistical Manual; BDI, Beck Depression Inventory; HDRS, Hamilton Depression Rating Scale; HAD, Hospital Anxiety and Depression Scale; SCID, Structured Clinical Interview for Depression; MADRS, Montgomery Asberg Depression Rating Scale; IL, interleukin; MCP, monocyte chemoattractant protein.