| Sensitivity and specificity for diagnosing all spasticity (i.e including DES, nutcracker, jackhammer, rapid contraction, hypertensive) EXCLUDING achalasia | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Barium swallow term | Sensitivity | Specificity | NPV | PPV | Accuracy | No of positive BS | No of negative BS | TP | FP | TN | FN |
| Tertiary | 60 | 68.2 | 68.1 | 98.9 | 3.1 | 94 | 198 | 3 | 91 | 196 | 2 |
| Dysmotility | 0 | 91.2 | 89.7 | 98.1 | 0 | 25 | 267 | 0 | 25 | 262 | 5 |
| Spasm | 0 | 99.3 | 97.6 | 98.2 | 0 | 2 | 290 | 0 | 2 | 285 | 5 |