Table 1. Biofilm OD values obtained for S. epidermidis based on incubation time.
|
Incubation time |
Intravenous fluids |
n |
OD values Mean + SD |
P-value a |
Interpretation |
|
|
Inoculated |
Negative control |
|||||
|
24 h |
Ringer lactate |
6 |
0.188 + 0.026 |
0.177 + 0.015 |
0.002 |
NBF |
|
10% dextrose |
6 |
0.205 + 0.045 |
0.200 + 0.021 |
NBF |
||
|
5% dextrose |
6 |
0.190 + 0.029 |
0.221 + 0.033 |
NBF |
||
|
Normal saline |
6 |
0.208 + 0.022 |
0.237 + 0.048 |
NBF |
||
|
Gelafusal |
6 |
0.204 + 0.027 |
0.225 + 0.041 |
NBF |
||
|
|
Positive control |
6 |
1.009 + 0.146 |
- |
||
|
48 h |
Ringer lactate |
6 |
0.247 + 0.028 |
0.270 + 0.026 |
0.008 |
NBF |
|
10% dextrose |
6 |
0.293 + 0.041 |
0.262 + 0.058 |
NBF |
||
|
5% dextrose |
6 |
0.262 + 0.048 |
0.249 + 0.037 |
NBF |
||
|
Normal saline |
6 |
0.243 + 0.031 |
0.255 + 0.024 |
NBF |
||
|
Gelafusal |
6 |
0.245 + 0.015 |
0.242 + 0.022 |
NBF |
||
|
|
Positive control |
6 |
2.061 + 0.354 |
- |
||
|
72 h |
Ringer lactate |
6 |
0.451 + 0.102 |
0.373 + 0.044 |
0.000 |
NBF |
|
10% dextrose |
6 |
0.732 + 0.202 |
0.434 + 0.124 |
NBF |
||
|
5% dextrose |
6 |
0.522 + 0.101 |
0.371 + 0.061 |
NBF |
||
|
Normal saline |
6 |
0.658 + 0.149 |
0.467 + 0.066 |
NBF |
||
|
Gelafusal |
6 |
0.590 + 0.057 |
0.491 + 0.117 |
NBF |
||
|
|
Positive control |
6 |
2.633 + 0.444 |
- |
||
OD = Optical density, Positive control = Inoculation of S. epidermidis in TSB media.
a Kruskal-Wallis test. NBF = non-biofilm-former.