Table 2 Recovery of bacteria colonies (numbers represent colony count units) from used university football pads before and after treatment with chlorine dioxide.
Shoulder Pad-Hard Surface | Shoulder Pad-Soft Surface | Helmet-Soft Surface | ||||
|---|---|---|---|---|---|---|
Set | Before | After | Before | After | Before | After |
1 | 20 | 0 | 800 | 5 | 3 | 3 |
2 | 100 | 3 | 5,600 | 500 | 50 | 0 |
3 | 40 | 4 | 4,000 | 40 | 1 | 1 |
4 | 200 | 5 | 300 | 50 | 3 | 0 |
5 | 20 | 0 | 5,600 | 500 | 5 | 1 |
6 | 20 | 3 | 500 | 150 | 5 | 0 |
7 | 20 | 0 | 200 | 2 | 1 | 0 |
8 | 200 | 0 | 800 | 30 | 10 | 0 |
9 | 50 | 1 | 5,600 | 150 | 150 | 1 |
10 | 300 | 5 | 1,400 | 15 | 0 | 0 |
11 | 30 | 1 | 5,600 | 2 | 40 | 1 |
12 | 60 | 1 | 1,600 | 40 | 10 | 1 |
13 | 30 | 2 | 1,100 | 4 | 10 | 1 |
14 | 60 | 30 | 1,600 | 15 | 10 | 1 |
15 | 50 | 50* | 5,600 | 500 | 10 | 1 |
t-test | p = 0.003 | p < 0.001 | p = 0.056 | |||
U-test | p < 0.003 | p < 0.001 | p < 0.00 | |||