A multi-loci time-series descriptive study on noise levels in a pediatric emergency care department
Table 1.
Sound Level and Over-standard Rate
|
| time |
loci |
N |
Mean (dB (A)) |
t |
p |
Rate(%) |
|
|
| daytime |
1 |
8364713 |
72.1±8.6 |
5726.981 |
<0.01 |
95.5 |
|
| 2 |
8431530 |
72.9±8.5 |
6164.885 |
<0.01 |
95.9 |
|
| 3 |
8110336 |
72.8±9.6 |
5293.539 |
<0.01 |
95.5 |
|
| subtotal |
24906579 |
72.6±8.9 |
9873.708 |
<0.01 |
95.6 |
|
| nighttime |
1 |
4182547 |
55.4±9.8 |
2170.123 |
<0.01 |
86.3 |
|
| 2 |
4220908 |
56.6±9.2 |
2583.953 |
<0.01 |
95.4 |
|
| 3 |
4000424 |
54.8±7.4 |
2654.917 |
<0.01 |
97.1 |
|
| subtotal |
12403879 |
55.6±8.9 |
4191.907 |
<0.01 |
92.9 |
|
|
|
|
