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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