Table 1 Demographic and clinical data
From: Relationship between duration of illness and cardiac autonomic nervous activity in anorexia nervosa
| Anorectic patients ( n = 14) | Controls ( n = 22) | p value | |
|---|---|---|---|
| mean ± SD | mean ± SD | ||
| Age (years) | 27.9 ± 9.4 | 23.2 ± 4.2 | 0.102 |
| Body mass index (kg/m2) | 13.2 ± 1.9 | 18.5 ± 1.7 | 0.000 |
| Systolic blood pressure (mmHg) | 96.1 ± 6.2 | 103.9 ± 7.3 | 0.015 |
| Diastolic blood pressure (mmHg) | 56.6 ± 5.6 | 64.3 ± 8.1 | 0.021 |
| Age of onset (years) | 18.4 ± 4.8 | ||
| Duration of illness (months) | 121.9 ± 105.3 | ||
| Serum sodium level (mEq/L) | 140.0 ± 1.8 | ||
| Serum potassium level (mEq/L) | 3.9 ± 0.2 | ||
| serum chloride level (mEq/L) | 100.0 ± 1.5 |