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Table 8 Odds ratio and 95% CI for association between # of exposures during 30-day hazard period

From: Chiropractic care and the risk of vertebrobasilar stroke: results of a case–control study in U.S. commercial and Medicare Advantage populations

Exposures

All cases

Age <45 yr

Age >45 yr

Odds ratio

95% CI

Odds ratio

95% CI

Odds ratio

95% CI

Commercial

Any DC* visit

1.03

0.86-1.26

1.32

0.64-2.71

1.01

0.81-1.25

Any PCP visit

2.01

1.77-2.29

2.38

1.55-3.66

1.97

1.72-2.26

Medicare

Any DC* visit

0.54

0.23-1.28

    

Any PCP visit

1.51

1.32-1.73

    
  1. *DC = Chiropractic.