TABLE 1

Characteristics of Children Undergoing Tonsillectomy and/or Adenoidectomy, MarketScan 2010–2015

Characteristics201020112012201320142015All Years
Sample sizea69 54775 45471 66454 71249 71241 903362 992
Girls (%)48.848.948.748.848.448.948.7
Age, y (%)
 0–549.048.049.651.451.451.449.9
 6–1235.837.335.433.934.734.235.4
 3–1815.214.715.014.613.814.414.7
Region (%)
 Northeast 10.513.614.613.415.612.613.3
 Midwest29.528.328.424.923.422.026.6
 South45.042.641.342.143.650.443.8
 West 14.313.314.016.714.814.614.5
 Unknown0.72.21.63.02.70.31.8
  • a The number of children undergoing tonsillectomy and/or adenoidectomy fluctuates from year to year largely because of differences in the number of children in each year of the MarketScan: 12 557 596 (2010), 14 266 215 (2011), 11 533 618 (2012), 14 237 823 (2013), 12 168 782 (2014), and 7 255 815 (2015).