2001 | 2002 | 2003 | |||||||
---|---|---|---|---|---|---|---|---|---|
Number | Rate | 95% CI | Number | Rate | 95% CI | Number | Rate | 95% CI | |
Values are reported as rates per 1000 training hours. CI, confidence interval. | |||||||||
December | 17 | 105.2 | 55.2 to 155.2 | 10 | 123.3 | 46.9 to 199.7 | 9 | 53.3 | 18.5 to 88.1 |
January | 56 | 183.5 | 135.4 to 231.6 | 32 | 107.4 | 70.2 to 144.6 | 34 | 98.8 | 65.6 to 132.0 |
February | 86 | 205.5 | 162.1 to 248.9 | 47 | 104.9 | 74.9 to 134.9 | 48 | 114.9 | 82.4 to 147.4 |
March | 67 | 120.2 | 91.4 to 149.0 | 21 | 62.0 | 35.5 to 88.5 | 25 | 45.6 | 27.7 to 63.5 |