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. 2023 May 9;329(18):1567–1578. doi: 10.1001/jama.2023.5355

Table 4. Risk of All-Cause Mortality With Ziritaxestat vs Placebo at the End of the ISABELA 1 and ISABELA 2 Trials.

All-cause mortality
600 mg of Ziritaxestat (n = 428) 200 mg of Ziritaxestat (n = 431) Placebo (n = 422) 600 mg of Ziritaxestat vs placebo 200 mg of Ziritaxestat vs placebo
No. of events (%) IR/100 patient-years of exposure No. of events (%) IR/100 patient-years of exposure No. of events (%) IR/100 patient-years of exposure Between-group difference in IR
(95% CI)
Hazard ratio (95% CI) Between-group difference in IR
(95% CI)
Hazard ratio (95% CI)
ISABELA 1 14 (8.0) 8.1 8 (4.6) 4.3 11 (6.3) 6.3 1.8 (−4.3 to 8.0) 1.4 (0.6 to 3.1) −1.9 (−7.5 to 3.6) 0.7 (0.3 to 1.8)
ISABELA 2 24 (9.3) 8.9 22 (8.5) 8.1 12 (4.7) 4.4 4.5 (0 to 9.1) 2.1 (1.1 to 4.3) 3.7 (−0.7 to 8.1) 1.9 (0.9 to 3.8)
Pooled results (ISABELA 1 and 2) 38 (8.9) 8.6 30 (7.0) 6.6 23 (5.5) 5.1 3.5 (−0.1 to 7.1) 1.8 (1.1 to 3.0) 1.5 (−1.9 to 4.8) 1.3 (0.8 to 2.3)

Abbreviation: IR, incidence rate.