Table 2.
Number of ampules by number of glass particles (n = 180)
| Group | Number of glass particles | χ 2 | p | |||||
|---|---|---|---|---|---|---|---|---|
| ≤50 | 51–100 | 101–150 | 151–200 | 201–300 | >300 | |||
| 1 | 13 (28.9) | 13 (28.9) | 6 (13.3) | 5 (11.1) | 6 (13.3) | 2 (4.4) | 11.14 | 0.743 |
| 2 | 12 (26.7) | 13 (28.9) | 6 (13.3) | 7 (15.6) | 6 (13.3) | 1 (2.2) | ||
| 3 | 14 (31.1) | 13 (28.9) | 4 (8.9) | 7 (15.6) | 5 (11.1) | 2 (4.4) | ||
| 4 | 10 (22.2) | 19 (42.2) | 10 (22.2) | 4 (8.9) | 2 (4.4) | 0 (0.0) | ||
| Total | 49 (27.2) | 58 (32.2) | 26 (14.4) | 23 (12.8) | 19 (10.6) | 5 (2.8) | ||
Group 1 IV bolus injection directly after immediate aspiration, Group 2 IV bolus injection directly after 2 min’ delayed aspiration, Group 3 IV bolus injection directly after aspiration with a filter needle syringe and Group 4 Side shooting to an infusion set with an in-line filter