id,name,formula,input_rows,result,unit,limitations
d1,"Heating systems share of consumer-product CO deaths, 2022",heating 2022 / all 2022,"rows 2, 1",27.7,%,One year; 2022 reporting 90% complete
d2,"Heating systems share, 2020-2022 average",68 / 238,"rows 7, 6",28.6,%,CPSC prints 29% (rounded)
d3a,"Heating share of all consumer-product CO deaths, 1999-2002 (signature)","sum heating / sum all, 4 years","table t1 (CPSC Table 1, latest edition covering each year)",54.0,%,Different CPSC editions supply different years; categories stable since 2007 edition
d3b,"Heating share of all consumer-product CO deaths, 2019-2022 (signature)","sum heating / sum all, 4 years","table t1 (CPSC Table 1, latest edition covering each year)",28.7,%,Different CPSC editions supply different years; categories stable since 2007 edition
d3c,"Change in heating share, 1999-2002 to 2019-2022",d3b - d3a,"d3a, d3b",-25.3,percentage points,"Ratio of estimates, not a rate"
d4a,"Furnaces (incl. boilers) share of heating-system CO deaths, 1999-2002 (signature)",sum furnaces / sum heating,"table t1 (CPSC Table 1, latest edition covering each year)",44.6,%,Furnace category includes boilers; fuel often unspecified
d4b,"Furnaces (incl. boilers) share of heating-system CO deaths, 2015-2018",sum furnaces / sum heating,"table t1 (CPSC Table 1, latest edition covering each year)",51.3,%,As d4a
d4c,"Furnaces (incl. boilers) share of heating-system CO deaths, 2019-2022 (signature)",sum furnaces / sum heating,"table t1 (CPSC Table 1, latest edition covering each year)",32.7,%,2019 to 2022 reporting incomplete
d5a,"Portable heaters share of heating-system CO deaths, 1999-2002",sum portable / sum heating,"table t1 (CPSC Table 1, latest edition covering each year)",26.7,%,Portable heaters are not installed equipment
d5b,"Portable heaters share of heating-system CO deaths, 2019-2022 (signature)",sum portable / sum heating,"table t1 (CPSC Table 1, latest edition covering each year)",42.4,%,As d5a
d6a,"Installed furnaces plus wall/floor furnaces share of heating deaths, 1999-2002",(furnaces + wall/floor) / heating,"table t1 (CPSC Table 1, latest edition covering each year)",60.8,%,Unspecified heater/system rows may include installed units
d6b,"Installed furnaces plus wall/floor furnaces share of heating deaths, 2019-2022",(furnaces + wall/floor) / heating,"table t1 (CPSC Table 1, latest edition covering each year)",36.7,%,As d6a
d7a,"Furnace CO deaths, annual average 1999-2002",sum furnaces 1999-2002 / 4,"table t1 (CPSC Table 1, latest edition covering each year)",33.0,deaths per year,Small counts
d7b,"Furnace CO deaths, annual average 2019-2022",sum furnaces 2019-2022 / 4,"table t1 (CPSC Table 1, latest edition covering each year)",22.8,deaths per year,Small counts
d7c,"Change in furnace CO deaths per year, 1999-2002 to 2019-2022",(d7b - d7a) / d7a,"d7a, d7b",-30.9,%,Small counts; period averages
d8a,"Portable heater CO deaths, annual average 1999-2002",sum / 4,"table t1 (CPSC Table 1, latest edition covering each year)",19.8,deaths per year,Small counts
d8b,"Portable heater CO deaths, annual average 2019-2022",sum / 4,"table t1 (CPSC Table 1, latest edition covering each year)",29.5,deaths per year,Small counts
d8c,"Change in portable heater CO deaths per year, 1999-2002 to 2019-2022",(d8b - d8a) / d8a,"d8a, d8b",49.0,%,Small counts; period averages
d9,Years in which portable heaters exceeded furnaces (1999-2022),count of years portable > furnaces,"table t1 (CPSC Table 1, latest edition covering each year)",5,years,"2005, 2017, 2019, 2020 and 2022; 2021 tied at 26"
d10a,"Heating-system CO death rate per 10 million, 1999-2001","sum heating / sum population (thousands) x 10,000","table t1 (CPSC Table 1, latest edition covering each year); row 33 (Table B.1 population)",2.4,per 10 million,Population from CPSC Table B.1
d10b,"Heating-system CO death rate per 10 million, 2020-2022",as d10a,as d10a,2.06,per 10 million,As d10a
d10c,"Furnace CO death rate per 10 million, 1999-2001","sum furnaces / sum population x 10,000",as d10a,1.0,per 10 million,As d10a
d10d,"Furnace CO death rate per 10 million, 2020-2022",as d10c,as d10a,0.69,per 10 million,As d10a
d11,"Generator deaths per heating-system death, 2012-2022",892 / 622,"rows 20, 19",1.43,ratio,Single-product incidents only
d12a,"LP portable heater CO deaths, 2012-2022 sum",sum of annual Table 1 cells,table t4,191,deaths,Sum of rounded annual estimates
d12b,"Natural gas furnace CO deaths, 2012-2022 sum",sum of annual Table 1 cells,table t4,105,deaths,As d12a
d12c,"LP portable heaters vs natural gas furnaces, 2012-2022",d12a / d12b,"d12a, d12b",1.82,ratio,"Many furnace deaths have unspecified fuel (60 unspecified gas, 28 unspecified fuel)"
d12d,"All furnace (incl. boiler) CO deaths, 2012-2022 sum",sum,table t4,261,deaths,As d12a
d12e,"Furnaces share of heating-system deaths, 2012-2022",261 / 622,d12d; table t1,42.0,%,As d12a
d13a,Share of 2012-2022 CO deaths in January,January sum / all months sum,table t5,15.4,%,"All products, not heating only"
d13b,Share of 2012-2022 CO deaths in October to March,Oct-Mar sum / all months,table t5,71.6,%,All products
d13c,Share of 2012-2022 CO deaths in December and January,(Dec + Jan) / all,table t5,29.7,%,All products
d13d,"January deaths per July death, 2012-2022",January sum / July sum,table t5,3.6,ratio,All products
d13e,Share of 2012-2022 CO deaths in July and August,(Jul + Aug) / all,table t5,8.2,%,All products
d13f,"Sum of month-of-death estimates, 2012-2022",sum of 12 month sums,table t5,2159,deaths,"Rounding: annual totals sum to 2,161"
d13g,"Sum of annual all-product estimates, 2012-2022",sum of annual totals,table t1,2161,deaths,CPSC 2022 edition
d14a,"CPSC consumer-product estimate as share of CDC unintentional non-fire CO deaths, 2012-2020",sum CPSC / sum CDC,"tables t1, t6",45.5,%,Definitions differ: CPSC adds Y17 and excludes vehicles and work; CDC excludes Y17
d14b,"Same ratio, 1999-2003",sum CPSC / sum CDC,"tables t1, t6",33.3,%,As d14a
d14c,"CDC average unintentional non-fire CO deaths, 2018-2020",mean of 3 years,table t6,480.7,deaths per year,WONDER D77 final data
d14d,CDC count 1999-2010 reproduced from WONDER query,sum 1999-2010,table t6; row 47,5149,deaths,"Matches MMWR 5,149 exactly"
d14e,"CDC count per CPSC consumer-product estimate, 2020",481 / 223,row 44; table t1,2.16,ratio,Definitions differ (see d14a)
d15,"Mean revision from first-published to current all-product estimate, data years 2009-2021",mean of (current - first) / first,table t7,0.9,%,Recent years revised upward most: 2020 and 2021 by 12 deaths each
d16,Lag from end of data year 2022 to CPSC report (May 2026),months from Dec 2022 to May 2026,row 1,41,months,Month level
d10e,"Change in furnace CO death rate per 10 million, 1999-2001 to 2020-2022",(d10d - d10c) / d10c,"d10c, d10d",-31.0,%,Small counts
d10f,"Change in heating-system CO death rate per 10 million, 1999-2001 to 2020-2022",(d10b - d10a) / d10a,"d10a, d10b",-14.2,%,Small counts
d17,"Gas furnace and boiler CO deaths as share of all heating-system deaths, 2017-2019 (NPR 21 per year vs Table 1)",21 / mean(heating 2017-2019),row 57; table t1,35.6,%,NPR figure from 2019 edition; heating values from 2022 edition