Figure 1.
![Cox proportional hazard modeled survival curves over 36 months from IVIG administration for O (blue) vs non-O (red) blood groups. Non-O blood recipients had a significantly greater hazard of death (HR, 1.294, 95% confidence interval [CI], 1.003-1.669; P = .0478).](https://ash.silverchair-cdn.com/ash/content_public/journal/bloodvth/2/3/10.1016_j.bvth.2025.100075/2/bvth_vth-2024-000303-gr1.jpeg?Expires=1760836047&Signature=xxKnM7CSAig3h-UY4eytb3Yx7UGSKKcwg8DPOIzO1AL3jsE1945ZUShinnmmJd53QoxqDA1IS9gQjYlQuesVDLMFH-8IHFlJ2ci5yqy67ynmeEMoMw8vZnowcrPHbb~6CbVr7pMpMrU6vdeP9NC8R2V71SmdqI9tVQ0UPoE24GuJfenuqX4nLa~ikM001kSQZtODKDGD7VfNWoTFHNlS4BoGiB1J7URnPtqZsGfKWKdOynp1wOm5hsQP8iLmLn04UYgf5XrybwFCh3IY1f-jcCJjszFW4oTgsd9q7O6kOjvqfarwfDhBnVgw~avByHwGBz-SR2DvL5Xf1g6SBDKhvQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Cox proportional hazard modeled survival curves over 36 months from IVIG administration for O (blue) vs non-O (red) blood groups. Non-O blood recipients had a significantly greater hazard of death (HR, 1.294, 95% confidence interval [CI], 1.003-1.669; P = .0478).
