Open Access
Table 5
Measuring sensitivity, specificity, and Cohen’s Kappa statistic (k-Cohen).
| Nets | Positive (retreat case) | Negative (non-retreat case) | |
|---|---|---|---|
| Net 1 | True: 52 | True: 1651 | |
| False: 18 | False: 657 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 52/70 = 0.7466 | Specificity: 1651/2308 = 0.7154 | ||
| k-Cohen: 0.7158 | |||
| Net 2 | True: 50 | True: 1509 | |
| False: 20 | False: 799 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 50/70 = 0.7143 | Specificity: 1509/2308 = 0.6538 | ||
| k-Cohen: 0.6552 | |||
| Net 3 | True: 46 | True: 1598 | |
| False: 24 | False: 710 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 46/70 = 0.6571 | Specificity: 1598/2308 = 0.6924 | ||
| k-Cohen: 0.6910 | |||
| Net 4 | True: 49 | True: 1704 | |
| False: 21 | False: 604 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 49/70 = 0.7000 | Specificity: 1704/2308 = 0.7385 | ||
| k-Cohen: 0.7369 | |||
| Net 5 | True: 46 | True: 1616 | |
| False: 24 | False: 692 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 46/70 = 0.6571 | Specificity: 1616/2308 = 0.7002 | ||
| k-Cohen: 0.6985 | |||
| Net 6 | True: 48 | True: 1620 | |
| False: 22 | False: 688 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 48/70 = 0.6857 | Specificity: 1620/2308 = 0.7019 | ||
| k-Cohen: 0.7011 | |||
| Net 7 | True: 45 | True: 1669 | |
| False: 25 | False: 639 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 45/70 = 0.6429 | Specificity: 1669/2308 = 0.7231 | ||
| k-Cohen: 0.7204 | |||
| Net 8 | True: 49 | True: 1598 | |
| False: 21 | False: 710 | ||
| Total: 70 | Total: 2308 | ||
| Sensitivity: 49/70 = 0.7000 | Specificity: 1598/2308 = 0.7018 | ||
| k-Cohen: 0.6922 |
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