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Table 2 Number of silicone oil droplets in each group, according to the type of syringe

From: Release of silicone oil droplets from syringes

  Group P* P
G1 (n = 5) G2 (n = 3) G3 (n = 5) G4 (n = 5) G3 × G4
Mean number of oil droplets
 Syringe 1 2.5 ± 1.7 13.3 ± 6.8 0.6 ± 0.9 11.2 ± 2.9 0.004 0.011
 Syringe 2 2.2 ± 2.2 10.0 ± 2.0 0.0 ± 0.0 0.0 ± 0.0 0.002 1.000
 Syringe 3 3.4 ± 2.3 7.3 ± 4.2 0.0 ± 0.0 2.2 ± 0.8 0.004 0.263
  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
  4. Dunn–Bonferroni’s multiple comparison adjusted significance level considering groups G3 and G4