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I am doing survival analysis using survival and survminer package. When I draw a single variable survival graph, I can see it starts form 1 at the baseline. However, when I am tring to draw facet_grid graph, I find that the survival graph from same data dose not start form 100%(or 1) at the x=0.(Please see the 5th image from the picture below.) Any ideas why that happens?

To sum-up, the survival rate by time-point are like this. enter image description here

However, the survival graph shows like this. enter image description here

Moon
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  • @YacineHajji There wasn't an event at the baseline. The survival rate was 1 but the graph is shown like that. – Moon Aug 19 '22 at 07:53
  • Could you please share your data using `dput` and code instead of images please? – Quinten Aug 19 '22 at 09:31

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