Table 5.
Mean of the time intervals on city and interurban roads stratified by date, season and crash occurrence in the Urmia from 20 March 2005 to 20 March 2007
| Mean(minute)* | ||
|---|---|---|
| Date and season of injury | City | Interurban roads |
| Weekday | ||
| Response time | ||
| Sunday | 5.1 | 8.9 |
| Monday | 5.0 | 10.8 |
| Tuesday | 4.7 | 11.3 |
| Wednesday | 4.5 | 11.1 |
| Thursday | 5.6 | 10.5 |
| Friday | 4.9 | 11.2 |
| Saturday | 4.8 | 9.9 |
| Transport time | ||
| Sunday | 5.7 | 13.8 |
| Monday | 6.9 | 16.3 |
| Tuesday | 6.0 | 17.6 |
| Wednesday | 6.6 | 18.9 |
| Thursday | 6.5 | 15.6 |
| Friday | 5.3 | 23.7 |
| Saturday | 6.1 | 18.6 |
| Total pre-hospital time | ||
| Sunday | 25.6 | 40.2 |
| Monday | 25.4 | 49.3 |
| Tuesday | 23.9 | 48.2 |
| Wednesday | 24.5 | 47.9 |
| Thursday | 26.5 | 44.1 |
| Friday | 23.8 | 52.1 |
| Saturday | 24.2 | 45.8 |
| Season | ||
| Response time | ||
| Spring | 5.0 | 9.6 |
| Summer | 4.7 | 10.5 |
| Autumn | 5.0 | 11.4 |
| Winter | 5.3 | 11.8 |
| Transport time | ||
| Spring | 6.5 | 17.2 |
| Summer | 5.5 | 19.3 |
| Autumn | 5.9 | 17.8 |
| Winter | 7.0 | 20.1 |
| Total pre-hospital time | ||
| Spring | 25.1 | 44.5 |
| Summer | 23.4 | 44.9 |
| Autumn | 25.2 | 48.1 |
| Winter | 26.5 | 56.2 |
*P values for all were < 0.05