|
Reader's direct judgement (direct assignment)
|
Reader's better/worse interpretation in combination with true time order of X-rays (inferred assignment):
|
Totals
|
|---|
| |
Compatible with progression or no change
|
Compatible with repair
| |
|---|
|
Progression/no change
|
21
|
15
|
36
|
|
Repair
|
1
|
27
|
28
|
|
Totals
|
22
|
42
|
64
|
- The inferred assignment is considered the gold standard. Direct assignment underestimates the true prevalence of repair. Percentage correctly classified, 75%; false direct assignment of repair, 1.5%; false direct assignment of progression, 23%; positive predictive value, 96%; negative predictive value, 58%.
