Table 3.
Diagnostic performance of visual assessment based on Term, Preterm, and birthweight
| Kramer test | ALL(n=315) | Neonatal sub-group | |||
|---|---|---|---|---|---|
| Term(n=157) | Preterm(n=158) | NBWT(n=163) | LBWT(n=152) | ||
| Sensitivity | 70.5 | 75.3 | 66.4 | 80.0 | 61.9 |
| Specificity | 86.1 | 82.8 | 82.8 | 83.6 | 89.4 |
| PPV | 89.8 | 86.4 | 93.0 | 87.3 | 92.8 |
| NPV | 62.9 | 69.7 | 56.0 | 75.0 | 51.8 |
| Cohen Kappa (κ) | 52.4 | 56.4 | 48.8 | 62.8 | 42.5 |
PPV Positive predictive value, NPV Negative predictive value, NBWT Normal birth weight ≥ 2500 grams, LBWT Low birth weight ≤2499 grams, Term- Delivery at GA of 37 and above weeks, Preterm- Delivered below GA of 37 weeks.