Table 3.
H. pylori sensitivity and specificity depending on grade of body gastritis with atrophy
|
Ca degree of gastritis with atrophy at body |
Normal to mild |
Moderate to severe |
|---|---|---|
| n=164 | n=141 | n=23 |
|
CLOtest Antrum |
|
|
| Sensitivity |
95.66 (88.62-98.60) |
83.33 (50.88-97.06) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.86-100.00) |
| PPV |
100.00 (94.79-100.00) |
100.00 (65.55-100.00) |
| NPV |
92.45 (80.93-97.55) |
84.61 (53.66-97.29) |
| Accuracy |
97.16 |
91.30 |
|
CLOtest Body |
|
|
| Sensitivity |
100.00 (95.00-100.00) |
100.00 (69.87-100.00) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.85-100.00) |
| PPV |
100.00 (95.00-100.00) |
100.00 (69.87-100.00) |
| NPV |
100.00 (90.94-100.00) |
100.00 (67.85-100.00) |
| Accuracy |
100.00 |
100.00 |
|
CLOtest Antrum + Body |
|
|
| Sensitivity |
100.00 (95.00-100.00) |
100.00 (69.87-100.00) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.85-100.00) |
| PPV |
100.00 (95.00-100.00) |
100.00 (69.87-100.00) |
| NPV |
100.00 (90.94-100.00) |
100.00 (67.85-100.00) |
| Accuracy |
100.00 |
100.00 |
|
Histology Antrum |
|
|
| Sensitivity |
96.74 (90.09-99.15) |
83.33 (50.88-97.06) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.86-100.00) |
| PPV |
100.00 (94.84-100.00) |
100.00 (65.55-100.00) |
| NPV |
94.23 (83.08-98.50) |
84.61 (53.66-97.29) |
| Accuracy |
97.87 |
91.30 |
|
Histology Body |
|
|
| Sensitivity |
100.00 (95.00-100.00) |
91.67 (59.75-99.56) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.86-100.00) |
| PPV |
100.00 (95.00-100.00) |
100.00 (67.86-100.00) |
| NPV |
100.00 (90.94-100.00) |
91.67 (59.75-99.56) |
| Accuracy |
100.00 |
95.65 |
|
Histology Antrum + Body |
|
|
| Sensitivity |
100.00 (95.00-100.00) |
91.67 (59.75-99.56) |
| Specificity |
100.00 (90.94-100.00) |
100.00 (67.86-100.00) |
| PPV |
100.00 (95.00-100.00) |
100.00 (67.86-100.00) |
| NPV |
100.00 (90.94-100.00) |
91.67 (59.75-99.56) |
| Accuracy | 100.00 | 95.65 |