Table 1 Characteristics of the studies included in final phase
From: Association of T. gondii infection with suicide: a systematic review and meta-analysis
Author | Country | age | Male | Female | Design | Sample size | Number of Suicide Case | Positive Cases | Number of Control group | Positive controls | Conclusion | Quality score (out of 8) | Reference |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Arling (2009) | United states | 40±10 | 90 | 149 | Case-control | 234 | 81 | 11 | 153 | 17 | Positive association | 8 | [18] |
Yagmur F (2010) | Turkey | 24.3±7.6 | 82 | 318 | Case-control | 400 | 200 | 82 | 200 | 56 | Positive association | 7 | [31] |
Okusaga (2014) | Germany | 38.6±11.1 | 600 | 350 | Case-control | 950 | 351 | 146 | 599 | 226 | No association | 8 | [19] |
Pedersen, M. G (2012) | Denmark | Pregnancy ages | – | 45,788 | prospective cohort study | 45,788 | N/A | N/A | N/A | N/A | Positive association | 6 | [29] |
Alvarado-Esquivel, C (2013) | Mexico | All ages | 88 | 195 | Case-control | 283 | 156 | 7 | 127 | 10 | Negative association | 7 | [22] |
Samojlowicz, D (2013) | Poland | 19 to 86 years | 115 | 12 | Case-control | 127 | 41 | 26 | 86 | 42 | No association | 6 | [30] |
Coryell W (2016) | United states | 17.5 ± 1.7 | 30 | 78 | Case-control | 108 | 17 | 2 | 91 | 2 | No association | 7 | [19] |
Gale, S. D (2016) | United states | 20 to 80 years | 2469 | 3018 | Cross-Sectional | 5487 | NA | NA | NA | NA | No association | 7 | [27] |
Okusaga, O (2016) | United states | 40±11.5 | 518 | 307 | Case-control | 825 | 308 | 127 | 517 | 200 | No association | 8 | [18] |
Sugden, K (2016) | United states | 3 to 38 years | 423 | 414 | prospective cohort study | 837 | 16 | 8 | 821 | 228 | No association | 8 | [20] |
Ansari-Lari, M (2017) | Iran | 40±10 | 72 | 27 | Case-control | 99 | 29 | 8 | 70 | 34 | No association | 7 | [5] |
Dickerson, F (2017) | United states | 38.6±13 | 88 | 74 | Case-control | 162 | N/A | N/A | N/A | N/A | Positive association | 8 | [25] |
Bak, J (2018) | South Korea | 43.75 ± 16.75 | 141 | 149 | Case-control | 290 | 155 | 21 | 135 | 8 | Positive association | 7 | [23] |
Dickerson, F (2018) | United states | 36±12 | 647 | 645 | prospective cohort study | 1292 | N/A | NA | N/A | NA | Positive association | 8 | [24] |
Fond, G (2018) | France | 32±8.6 | 184 | 66 | prospective cohort study | 250 | 9 | 7 | 241 | 177 | No association | 8 | [26] |
Ling, Vinita | Eurepe | 0–75+ | – | – | Ecologcal study | – | – | – | – | – | Positive association | 7 | [32] |