Table 6.
Precision of MGIT PZA susceptibility test results stratified by inoculation method. Reproducibility of categorical results for each duplicate pair of isolates.
| Precision | Percentage (number) by inoculation method | ||
|---|---|---|---|
| BD | A | C | |
| Precisea & accurate | 72.2 (109) | 87.6 (127) | 93.5 (131) |
| Precise & inaccurate | 15.2 (23) | 6.9 (10) | 2.9 (4) |
| Not preciseb | 12.6 (19) | 5.5 (8) | 3.6 (5) |
|
| |||
| Subtotalc | 151 | 145 | 140 |
| <2 resultsd | 1.3 (2) | 5.2 (8) | 8.5 (13) |
|
| |||
| Totale | 153 | 153 | 153 |
aEach duplicate isolate had the same categorical susceptibility result. bEach duplicate isolate had a different categorical susceptibility result. cDenominators used to calculate precision percentages. dTime-Out occurred in one or both of the duplicate pairs of isolates. eDenominator used to calculate <2 results percentages.