Table 3 Sub-group analysis based on type of protozoan parasites in case–control studies
Type of intestinal protozoan parasites | No. studies | Sample size-case | Infected case | Sample size-control | Infected control | Pooled OR (95% CI) | Heterogeneity | ||
|---|---|---|---|---|---|---|---|---|---|
| Â | I2 | Ï„2 | p-value | ||||||
Cyclospora cayetanensis | 1 | 983 | 14 | 983 | 3 | 4.719 (1.352–16.474) | – | – | – |
Cryptosporidium parvum | 1 | 983 | 94 | 983 | 22 | 4.618 (2.877–7.412) | – | – | – |
Blastocystis hominis | 1 | 983 | 157 | 983 | 51 | 3.473 (2.498–4.829) | – | – | – |
Giardia lamblia | 2 | 1987 | 25 | 1297 | 18 | 2.461 (0.718–8.429) | 67 | 0.511 | p < 0.001 |
Entamoeba histolytica /dispar | 2 | 1087 | 52 | 1297 | 44 | 2.350 (0.802–6.888) | 80 | 0.477 | p < 0.001 |
Toxoplasma gondii | 89 | 17,579 | 5425 | 17,022 | 3527 | 2.037 (1.808–2.294) | 71 | 0.246 | p < 0.001 |
Entamoeba coli | 1 | 983 | 10 | 983 | 16 | 0.621 (0.280–1.375) | – | – | – |