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1. How many patients started the study at time zero? _____2 pt 2. How many patients' were lost to contact? ______2 pts Could you please

1. How many patients started the study at time zero? _____2 pt

2. How many patients' were lost to contact? ______2 pts

Could you please explain?

image text in transcribedimage text in transcribed
\fEvent (1=death, Year of Death Year of Last Contact Time (=censored) Number at Risk Number of Deaths D Number Cesored 0 20 0.95 19 0.95 18 0 0.897222 17 0 0.844444 6 16 1 0.844444 15 1 0.844444 10 14 1 0.844444 11 13 1 0.844444 12 12 1 0.844444 13 11 0.844444 14 14 10 0.76 17 17 0 0.675556 17 17 1 0.675556 18 18 1 0.675556 19 19 1 0.675556 21 21 1 0.675556 23 23 0 0.506667 24 24 1 0.506667 24 24 1 0.506667 24 24 1 0.506667

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