Table 2.
Summary of particle numbers/mL by needle model.
| Model | Mean | Standard deviation | Minimum | Maximum | P25 | Median | P75 | N |
|---|---|---|---|---|---|---|---|---|
| BD Eclipse | 4641 | 3439 | 0 | 9200 | 1350 | 4380 | 8530 | 10 |
| BD PrecisionGlide | ||||||||
| 27-G | 4006 | 1671 | 1800 | 7620 | 2760 | 3930 | 4990 | 10 |
| BD PrecisionGlide | ||||||||
| 30-G | 4596 | 1653 | 1450 | 6600 | 3810 | 4835 | 6050 | 10 |
| JBP 27-G | 4352 | 1580 | 1950 | 6830 | 3550 | 4330 | 5470 | 10 |
| JBP 30-G | 2864 | 2058 | 1330 | 6700 | 1500 | 1765 | 4200 | 10 |
| JBP 33-G | 6294 | 2968 | 1380 | 9850 | 4720 | 6900 | 8930 | 10 |
| JBP 34-G | 4813 | 3326 | 1310 | 9270 | 1450 | 3935 | 8670 | 10 |
| TSK Invisible | 1886 | 2820 | 0 | 7870 | 0 | 1330 | 2670 | 7 |
| TSK Steriject 27-G | 1942 | 1788 | 0 | 5130 | 0 | 1460 | 3110 | 10 |
| TSK Steriject 30-G | 2475 | 2165 | 0 | 6530 | 1330 | 1915 | 3930 | 10 |