|
Storage condition
| | | |
Predictive value
| |
|---|
|
Time
|
Method
|
n
|
Sensitivity
|
Specificity
|
Positive
|
Negative
|
Accuracy
|
|---|
|
24 h
|
Non-preserved, COOL
|
169
|
0.98
|
0.94
|
0.96
|
0.97
|
97%
|
| |
(0.93–1.00)
|
(0.86–0.98)
|
(0.90–0.99)
|
(0.90–1.00)
| |
|
UriSwab™, ROOM
|
169
|
0.97
|
0.98
|
0.99
|
0.96
|
98%
|
| |
(0.91–0.99)
|
(0.92–1.00)
|
(0.95–1.00)
|
(0.87–0.99)
| |
|
48 h
|
Non-preserved, COOL
|
177
|
0.97
|
0.95
|
0.97
|
0.96
|
96%
|
| |
(0.92–0.99)
|
(0.88–0.99)
|
(0.92–0.99)
|
(0.88–0.99)
| |
|
UriSwab™, ROOM
|
177
|
0.93
|
0.97
|
0.98
|
0.89
|
94%
|
| |
(0.86–0.97)
|
(0.89–1.00)
|
(0.93–1.00)
|
(0.79–0.95)
| |
- COOL Urine stored refrigerated, ROOM Urine stored in boric acid (UriSwab™) at room temperature
- Calculated accuracy, sensitivity, specificity, positive and negative predictive value for significant bacteriuria compared to reference quantitative bacterial culture. Brackets is one-sided 95% confidence interval limits
