Table 1.
Daily average number of emergency ambulance dispatches (EAD) in each city during the study period.
| Characteristics | Sapporo | Sendai | Saitama | Nagoya | Osaka | Hiroshima | Fukuoka | Kumamoto |
|---|---|---|---|---|---|---|---|---|
| Study period | 1 January 2007–31 March 2010 | 1 January 2007–31 March 2010 | 1 April 2009–31 March 2011 | 1 January 2008–31 December 2011 | 1 January 2008–31 December 2011 | 1 April 2010–31 December 2011 | 1 January 2009–31 December 2011 | 1 April 2010–31 December 2011 |
| Population * | 1,913,545 | 1,045,986 | 1,222,434 | 2,263,894 | 2,665,314 | 1,173,843 | 1,463,743 | 734,474 |
| Sex | ||||||||
| Male | 53 (9) | 28 (6) | 46 (9) | NA | NA | NA | 46 (8) | 21 (5) |
| Female | 58 (9) | 27 (6) | 41 (8) | NA | NA | NA | 47 (8) | 22 (5) |
| Age | ||||||||
| Children | 8 (4) | 4 (2) | 8 (4) | 9 (5) | 21 (7) | 6 (3) | 7 (3) | 3 (2) |
| Adult | 53 (9) | 24 (5) | 37 (8) | 66 (12) | 142 (18) | 31 (7) | 43 (8) | 18 (4) |
| Elderly | 51 (8) | 27 (6) | 41 (9) | 84 (15) | 142 (19) | 38 (7) | 43 (8) | 23 (5) |
| Diagnosis type | ||||||||
| All acute illness | 111 (14) | 55 (9) | 86 (14) | 159 (22) | 305 (33) | 74 (11) | 93 (13) | 43 (8) |
| Cardiovascular | 14 (4) | 4 (2) | 4 (2) | 15 (4) | 31 (6) | 10 (3) | 9 (3) | 3 (2) |
| Respiratory | 12 (5) | 5 (2) | 5 (2) | 18 (5) | 32 (7) | 10 (3) | 12 (4) | 3 (1) |
| Cerebrovascular | 18 (6) | 5 (2) | 5 (2) | 11 (4) | 25 (5) | 12 (4) | 24 (5) | 3 (2) |
| Neuropsychology | 12 (4) | 5 (2) | 6 (3) | 14 (4) | 53 (9) | 10 (3) | 5 (2) | 3 (2) |
* Population based on Japanese census in 2010. Values are shown as the daily mean (standard deviation). Note: Data on the sex category were not available in Nagoya, Osaka, nor Hiroshima.