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Table 3 Number of silicone oil droplets comparing the syringe type, according to groups 3 and 4 (steady-state and agitation, no oil added)

From: Release of silicone oil droplets from syringes

Number of oil droplets

Syringe

P*

1 (n = 5)

2 (n = 5)

3 (n = 5)

Group 3, mean ± SD

0.6 ± 0.9

0.0 ± 0.0

0.0 ± 0.0

0.117

Group 4, mean ± SD

11.2 ± 2.9

0.0 ± 0.0

2.2 ± 0.8

0.002

  1. The data are expressed as the mean ± standard deviation (SD)
  2. n number of samples, P level of significance
  3. *Kruskal–Wallis test significance level