Table 2. Specimen identification errors before and after serial interventions.
| Intervention | Period | Sites | Errors (%) | Specimens | Reduction (%) | P |
|---|---|---|---|---|---|---|
| Pre-intervention I | Apr. 2005–Mar. 2006 | ED | 415 (0.1034) | 401252 | ||
| Post-Intervention I | Apr. 2006–Mar. 2007 | ED | 102 (0.0246) | 414162 | 76% | <0.001 |
| Pre-intervention I | Apr. 2005–Mar. 2006 | IPD | 524 (0.0546) | 959930 | ||
| Post-Intervention I | Apr. 2006–Mar. 2007 | IPD | 279 (0.0280) | 994901 | 49% | <0.001 |
| Pre-intervention II | Aug. 2006–Jul. 2007 | ED | 64 (0.0151) | 424738 | ||
| Post-Intervention II | Aug. 2007–Jul. 2008 | ED | 14 (0.0033) | 419905 | 78% | <0.001 |
| Pre-intervention III | Jun. 2008–May. 2009 | OPD | 18 (0.0012) | 1501198 | ||
| Post-Intervention III | Jun. 2009–May. 2010 | OPD | 11 (0.0007) | 1601059 | 43% | 0.141 |
| Pre-intervention IV | Sep. 2009–Aug. 2010 | IPD | 185 (0.0164) | 1125755 | ||
| Post-Intervention IV | Sep. 2010–Aug. 2011 | IPD | 127 (0.0112) | 1135092 | 32% | <0.001 |
Abbreviations: ED, emergency department; IPD, inpatient department; OPD, outpatient department.