A single histogram.
The histogram has "Coronary artery calcium (Agatston)" on the horizontal axis numbered 0, 500, 1000, 1500, and 2000. The vertical axis is labeled "Frequency" and numbered 0, 500, 1000, 1500, and 2000.
The histogram is very highly skew with the highest frequency on the extreme left, for coronary calcium = 0 to 50, frequency = 1600. For coronary calcium = 50 to 100, frequency = 200 and all other frequencies are smaller. On the graph is written "1153 zero observations".
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This page maintained by Martin Bland.
Last updated: 8 August, 2006.