Table 2

Risk of exposure within risk and reference period among deceased participants

Duration of risk period*Duration of reference periodNo. of participants in sporting eventsOR (95% CI), p value
Risk periodReference period
Main analyses0 to −7 days−14 to −21 days23121.92 (0.95 to 3.85), 0.06
Sensitivity analyses using different risk periods0 to −4 days−14 to −19 days1281.50 (0.61 to 3.67), 0.37
0 to −9 days−14 to −23 days26151.73 (0.92 to 3.27), 0.08
0 to −13 days−14 to −27 days34211.62 (0.94 to 2.79), 0.08
Sensitivity analyses using different risk and reference periods0 to −7 days−8 to −14 days23121.92 (0.95 to 3.85), 0.06
0 to −7 days−28 to −35 days23191.21 (0.66 to 2.24), 0.53
0 to −4 days−28 to −32 days12111.09 (0.47 to 2.51), 0.83
0 to −9 days−28 to −37 days26231.13 (0.64 to 1.99), 0.67
0 to −13 days−28 to −41 days34291.17 (0.71 to 1.93), 0.53
  • *Day 0 is date of death.