Table A-12. Average Percent Distribution of Number of Events Reported in the Past 12 Months by Geographic Region

Number of Events Reported by Respondents	Geographic Region
	Mid-Atlantic/ New England	South Atlantic	East North Central	East South Central	West North Central	West South Central	Mountain	Pacific
	37 Hospitals	104 Hospitals	165 Hospitals	34 Hospitals	104 Hospitals	45 Hospitals	58 Hospitals	75 Hospitals
	20,546 Respondents	36,825 Respondents	54,909 Respondents	8,978 Respondents	20,986 Respondents	13,242 Respondents	17,264 Respondents	23,712 Respondents
No events	56%	53%	52%	55%	50%	60%	54%	47%
1 to 2 events	26%	28%	29%	27%	28%	24%	27%	30%
3 to 5 events	11%	12%	12%	11%	14%	10%	12%	15%
6 to 10 events	4%	4%	4%	4%	5%	4%	4%	5%
11 to 20 events	2%	2%	2%	2%	2%	1%	2%	2%
21 event reports or more	1%	1%	1%	1%	1%	1%	1%	1%

Note: Average percent totals in the table may not sum to exactly 100% due to rounding of decimals.

Note: States are categorized into American Hospital Association-defined regions as follows:

Mid-Atlantic/New England: NJ, NY, PA/CT, ME, MA, NH, RI, VT
West North Central: IA, KS, MN, MO, ND, NE, SD
South Atlantic: DE, DC, FL, GA, MD, NC, SC, VA, WV
West South Central: AR, LA, OK, TX
East North Central: IL, IN, OH, MI, WI
Mountain: AZ, CO, ID, MT, NM, NV, UT, WY
East South Central: AL, KY, MS, TN
Pacific: AK, CA, HI, OR, WA

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