SpringerPlus

Table 1 Number of glass particles per ampule (n = 180)

From: The effect of different methods of intravenous injection on glass particle contamination from ampules

Group	Number			χ ²	p
Group	Mean ± SD	Median	Range	χ ²	p
1 (n = 45)	114.87 ± 89.26	78.00	17–419	0.647	0.886
2 (n = 45)	118.02 ± 90.60	87.00	15–410
3 (n = 45)	110.47 ± 81.58	85.00	16–338
4 (n = 45)	89.38 ± 48.35	80.00	18–220
Total	108.18 ± 79.45	83.50	15–419

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

Back to article page