Histogram

Encounter number vs Body mass index (BMI)
N Mean StdDev Median Min Max Unknown Total
First overnight sleep study 3,660 22.7 ± 9.9 18.7 9.1 205.7 13 3,673
Second overnight sleep study 273 25.5 ± 11.8 20.3 9.0 68.3 - 273
Third overnight sleep study 35 23.6 ± 12.7 18.2 9.3 57.6 - 35
Fourth overnight sleep study 2 18.5 ± 1.3 18.5 17.6 19.5 - 2
Fifth overnight sleep study 1 16.5 - 16.5 16.5 16.5 - 1