Table 3.
Clinical characteristics of the study population Sawré Muybu Indigenous Land, Pará, Amazon, Brazil, 2019.
| Variables | Case 1 | Case 2 | Children Population Mean ± SD (Range) Median |
|---|---|---|---|
| Blood pressure a SBP (mmHg) |
107 | 112 | 105 ± 6.9 (92–116) 106 IQR = 98; 106 and 110 |
| DBP (mmHg) | 69 | 73 | 62 ± 6.6 (54–76) 61 IQR = 56; 61 and 69 |
| Hemoglobin level (g/dL) b | 14.8 | 14.2 | 12.4 ± 1.2 (9–16) 12.3 IQR = 11.8; 12.3 and 13.1 |
| Symptoms of chronical mercury exposure c | (n = 13) | ||
| Visual Field | Yes | No | Yes (n = zero) |
| Toe extensor amyotrophy | No | Yes | Yes (n = 2) |
| Distal neuropathy | No | Yes | Yes (n = 3) |
| Cognitive deficit | No | Yes | Yes (n = 4) |
| Denver neurodevelopment test d | n = 56 (%) | ||
| Deficit language | - | - | 8 (14.3) |
| Fine motor skills | - | - | 2 (3.6) |
| Gross motor skills | - | - | 2 (3.6) |
SBP: systolic blood pressure. DBP: diastolic blood pressure. IQR: interquartile range. a Data were obtained from 22 children over 12 years old. b Data were obtained from 99 children. c Data were obtained from 15 children aged 12 years or older. d Data were obtained from 56 children aged between 0 to 6 years old.