Table 2.
Prevalence and incidence of Blastocystis sp. subtypes in humans based on the age groups.
| Age | Prevalence | Subtype | Age | Prevalence | Subtype |
|---|---|---|---|---|---|
| 0–3 | 6% (1/18) | ST3–1/1 (100%) | 18–30 | 19% (14/73) | ST1–3/14 (21%) |
| ST2–1/14 (7%) | |||||
| ST3–6/14 (43%) | |||||
| ST4–3/14 (21%) | |||||
| Mix−1/14 (7%) | |||||
| 4–6 | 45% (5/11) | ST1–1/5 (20%) | 31–49 | 25% (21/83) | ST1–5/21 (24%) |
| ST2–1/5 (20%) | ST2–2/21 (10%) | ||||
| ST4–1/5 (20%) | ST3–7/21 (33%) | ||||
| ST6–1/5 (20%) | ST5–1/21 (5%) | ||||
| ST7–1/5 (20%) | ST6–3/21 (14%) | ||||
| ST7–2/21 (10%) | |||||
| ST8–1/21 (5%) | |||||
| 7–12 | 31% (5/16) | ST1–2/5 (40%) | 50–60 | 31% (11/36) | ST1–1/11 (9%) |
| ST2–1/5 (20%) | ST2–2/11 (18%) | ||||
| ST3–1/5 (20%) | ST3–5/11 (46%) | ||||
| ST7–1/5 (20%) | ST4–1/11 (9%) | ||||
| ST7–2/11 (18%) | |||||
| 13–17 | 25% (1/4) | ST2–1/1 (100%) | <60 | 26% (12/47) | ST1–1/12 (8%) |
| ST2–3/12 (25%) | |||||
| ST3–5/12 (42%) | |||||
| ST4–2/12 (17%) | |||||
| ST6–1/12 (8%) |
Age categories are divided into eight categories: (i) 0–3, infancy + toddler age; (ii) 4–6, preschool age; (iii) 7–12, younger school age; (iv) 13–17, adolescence; (v) 18–30, young adult age; (vi) 31–49, active age; (vii) 50–60, middle age; (viii) >60, retirement.