Table 1.
Range of Age–Sex Standardized Patient Safety Indicator Rates and Range of Mean Number of Secondary Diagnoses Reported across 15 Participating OECD Countries
| Countries | Missing Due to Data Problem | Denominator Population Minimum | Denominator Population Maximum | PSI Rate Minimum (%) | PSI Rate Maximum (%) | R2 %* (p-Value) | Secondary Diagnoses Minimum | Secondary Diagnoses Maximum | |
|---|---|---|---|---|---|---|---|---|---|
| Catheter-related bloodstream infection | 15 | 165,676 | 21,89,1250 | 0.005 (ITA) | 0.442 (NZL) | 41 (0.010) | 1.45 | 6.61 | |
| Postoperative pulmonary embolism or deep vein thrombosis | 14 | SGP | 70,544 | 6,674,866 | 0.116 (PRT) | 1.459 (USA) | 56 (0.002) | 1.3 | 5.63 |
| Postoperative sepsis | 14 | NOR | 7,859 | 1,014,591 | 0.148 (ITA) | 1.704 (BEL) | 43 (0.010) | 0.87 | 6.66 |
| Accidental puncture or laceration | 12 | NOR PRT SGP | 358,617 | 28,505,655 | 0.013 (ITA) | 0.403 (CAN) | 31 (0.049) | 2.26 | 7.02 |
| Foreign body left in during procedure | 13 | NOR PRT | 241,178 | 33,298,777 | 0.002 (DNK) | 0.011 (CHE) | 23 (0.096) | 1.5 | 6.72 |
| Obstetric trauma—vaginal delivery with instrument | 14 | PRT | 834 | 251,934 | 2.307 (ITA) | 16.870 (USA) | 1 (>0.5) | 1.79 | 6.88 |
| Obstetric trauma—vaginal delivery without instrument | 14 | PRT | 10,772 | 2,656,529 | 0.494 (ESP) | 3.768 (USA) | 1 (>0.5) | 1.4 | 6.62 |
*
R2 statistic here represents the percentage of variation in PSI rates across countries that was explained by the mean number of secondary diagnoses reported among patients in the denominator at risk for each indicator, in a single-variable ordinary least squares regression model.