Table 2. Comparison of age and biochemical parameters with respect to sputum AFB positivity.
| Parameter | Sputum microscopy | p-value | ||
|---|---|---|---|---|
| Sputum 1+ (n=8) | Sputum 2+ (n=22) | Sputum 3+ (n=35) | ||
| Age, yr | 39.8±10.3 | 41.27±10.4 | 41.46±13.1 | NS |
| 25-Hydroxyvitamin D, ng/mL | 22.2±11.3 | 16.7±5.9 | 13.1±4.5 | 0.001* |
| iPTH, pmol/L | 3.39±1.01 | 3.50±1.17 | 3.82±1.33 | NS |
| Total bilirubin, mmol/L | 11.11±2.56 | 11.79±2.56 | 10.77±2.73 | NS |
| AST, U/L | 27. 2±4.7 | 23.3±5.1 | 26.9±5.7 | NS |
| ALT, U/L | 21.1±6.3 | 21.3±8.2 | 19.3±7.3 | NS |
| Creatinine, µmol/L | 72.9±12.3 | 74.6±15.9 | 76±13.2 | NS |
| Glucose, mmol/L | 4.83±0.6 | 5.04±0.7 | 4.62±0.7 | NS |
| Calcium, mmol/L | 2.2±0.19 | 2.19±0.21 | 2.27±0.19 | NS |
| Phosphorus, mmol/L | 1.1±0.17 | 1.2±0.16 | 1.0±0.15 | NS |
| Total protein, g/L | 68±7.9 | 69±10.4 | 69±10 | NS |
Values are presented as mean±standard deviation.
*p<0.001.
AFB: acid fast bacilli; NS: not significant; iPTH: intact parathyroid hormone; AST: aspartate aminotransferase; ALT: alanine aminotransferase.