Starters | Finishers | DNF |
PRR versus control* (95% CI) | p Value† | ||
N | % | N | % | |||
Control group (n=43,425) | 42,750 | 98.4 | 675 | 1.6 | ||
Illness group (n=134) | 127 | 94.8 | 7 | 5.2 | 3.40 (1.76 to 6.58) | 0.0003 |
Localised illness (n=84) | 81 | 96.4 | 3 | 3.6 | 2.45 (0.85 to 7.07) | 0.0986 |
Systemic illness (n=50) | 46 | 92.0 | 4 | 8.0 | 4.87 (2.20 to 10.75) | <0.0001 |
>24 hours before race (n=32) | 30 | 93.7 | 2 | 6.3 | 3.73 (1.20 to 11.65) | 0.0233 |
<24 hours before race (n=18) | 16 | 88.9 | 2 | 11.1 | 7.03 (2.37 to 20.83) | 0.0004 |
*PRR —adjusted for demographic variables: year of race, race type (21.1 km and 56 km), gender.
†p Value: pairwise versus control group for PRR.
DNF, did-not-finish; PRR, prevalence risk ratio.