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Table 1 The mean CFU counts (± SD) of Candida spp. and P. aeruginosa from both monospecies and dual species biofilms at 90 min, 24 h and 48 h.

From: Pseudomonas aeruginosa inhibits in-vitro Candida biofilm development

  Time
interval
Candida CFU (106) ± SD P value P. aeruginosa CFU (106) ± SD P value
   Control (MSB) Test (DSB)   Control (MSB) Test (DSB)  
Candida
albicans
90 min 12.60 ± 2.19 5.29 ± 1.52 0.005 3.44 ± 2.20 0.66 ± 0.69 0.002
  24 h 15.22 ± 3.31 5.00 ± 2.60 < 0.001 876.89 ± 206.39 719.56 ± 266.53 0.200
  48 h 31.89 ± 6.60 0.22 ± 0.44 < 0.001 1358.89 ± 323.59 922.22 ± 186.60 0.009
Candida krusei 90 min 2.43 ± 1.46 2.71 ± 0.66 0.352 7.32 ± 3.82 2.78 ± 1.29 0.003
  24 h 3.39 ± 2.00 2.49 ± 0.73 0.301 987.78 ± 341.79 583.33 ± 218.92 0.022
  48 h 0.09 ± 0.14 0.22 ± 0.44 0.867 140.00 ± 48.73 73.33 ± 35.71 0.010
Candida tropicalis 90 min 9.81 ± 3.05 3.87 ± 2.29 0.004 1.42 ± 1.25 2.26 ± 0.71 0.070
  24 h 27.67 ± 5.92 3.44 ± 1.59 < 0.001 431.11 ± 66.23 471.11 ± 162.90 0.534
  48 h 4.22 ± 2.05 0.00 ± 0.00 < 0.001 98.89 ± 75.74 351.11 ± 162.51 0.002
Candida parapsilosis 90 min 10.60 ± 6.71 1.26 ± 1.34 < 0.001 4.87 ± 1.66 3.83 ± 2.31 0.228
  24 h 2.11 ± 2.32 0.78 ± 0.44 0.364 412.22 ± 208.55 277.78 ± 162.69 0.121
  48 h 0.89 ± 0.60 0.44 ± 0.73 0.120 183.33 ± 69.64 179.56 ± 50.02 0.859
Candida glabrata 90 min 10.81 ± 2.90 10.12 ± 3.97 0.659 9.91 ± 9.01 8.17 ± 5.03 0.691
  24 h 35.78 ± 21.72 15.00 ± 21.08 0.024 328.89 ± 88.94 56.67 ± 15.81 < 0.001
  48 h 28.22 ± 17.14 0.11 ± 0.33 < 0.001 128.89 ± 69.54 28.89 ± 17.64 < 0.001
Candida dubliniensis 90 min 9.34 ± 3.21 2.94 ± 1.50 < 0.001 9.83 ± 2.33 6.51 ± 4.35 0.070
  24 h 5.81 ± 2.46 0.54 ± 0.88 < 0.001 878.89 ± 286.07 461.11 ± 142.78 0.003
  48 h 0.00 ± 0.00 0.00 ± 0.00 1.000 97.78 ± 48.16 52.22 ± 50.94 0.056
  1. P < 0.05 was considered statistically significant. Significant differences are shown in bold text.