Table 5: A comparison of pre- and post-guideline mortality % at 30 days and at 1 year for warfarinised patients and nonwarfarinised matched patients.

Pre-GuidelinePost-GuidelineHazard Ratio (95% CI)P Value
CaseMatchedP ValueHazard Ratio (95% CI)Case MatchedP ValueHazard Ratio (95% CI)Comparing Warfarin CasesComparing Matched CasesComparing Warfarin Cases

Mortality
(%)
30-Day15.28.70.341.81 (0.14-5.90)8.36.20.631.36 (0.44-4.16)0.97
(0.48-1.96)
1.42
(0.76-1.96)
0.299
1 Year43.526.10.151.70 (1.34-2.15)33.333.31.00.96 (0.75-1.24)1.16
(0.65-2.07)
0.86
(0.41-1.78)
0.312