Table 1: Epidemiological studies on elderly mortality during heat waves.

Reference	Region & population	Period	Temperature ℃ Mean, min-max	Results
Steul, et al. [41]	Frankfurt, Germany ³ 60 years	2- 13 August 2003 18-22 July 2006 8-12 July 2010 1-5 July 2015	26.5, 19.1, 33.7 26, 19.7, 33.8 26.8, 19.6, 34.4 26.9, 20.1, 34.1	Mortality (cases of death/day): 32.7 20.6 22.6 25.4
Conti, et al. [34]	21 regions of Italy > 75 years	1 June-31 August 2003	> 40.0	No of deaths on 2002: 13.517 No of deaths on 2003: 16.393
Åström, et al. [39]	Rome & Stockholm > 50 years	15 May-15 September the years from 2000-2008	Rome: 29.5, 15.9-40.2 Stockholm: 18.6, 3.1-31.1	No of deaths in Rome: 47.180 No of deaths in Stockholm: 24.157
Borrell, et al. [44]	Barcelona, Spain > 65 years	June, July & August 2003 & 1998-2000	> 30.5	No of deaths from 1998-2002: 6.691 No of deaths on 2003: 1.489
Bogdanovic, et al. [45]	Belgrade, Serbia > 75 years	16 - 24 July 2007	34.6, 26.3-40.7	No of deaths: 350
Bustinza, et al. [65]	Quebec, Canada > 75 years	July 2010	18.5-34.0	No of deaths: 1.039
Canoui-Poitrine, et al. [66]	Paris, France > 75 years	1-20 August 2003 1-20 August 2000, 2001, 2003	-	No of deaths on 2003: 727 No of deaths on 2000, 2001, 2003: 215
Sartor [67]	589 communes of Belgium 65 years & older	27 June- 7 August 1994	21.9, 15.3-27.5	No of deaths on 1994: 990
Cerutti, et al. [68]	Ticino, Switzerland > 65 years > 75 years	June, July, August 2003	24.6	No of deaths on > 65 years: 558 No of deaths on > 75 years: 443
Conti, et al. [69]	Genoa, Italy > 74 years	16-31 August 2003	> 40.0	No of deaths: 968
D’Ippoliti, et al. [35]	Athens, Barcelona, Budapest, London, Milan, Munich, Paris, Rome, Valencia > 65 years	Athens 1997-2004 Barcelona 1991-2004 Budapest 1992-2003 London 1990-2004 Milan 1990-2003 Munich 1992-2004 Paris 1990-2003 Rome 1992-2004 Valencia 1994-2003	26.4- 37.6 23.2- 36.8 22.6- 32.8 16.8- 27.1 22.2- 36.2 15.9- 28.3 19.1- 30.9 21.6- 35.2 24.2- 39.9	No of deaths in Athens: 62 No of deaths in Barcelona: 30 No of deaths in Budapest: 46 No of deaths London: 117 No of deaths Milan: 21 No of deaths Munich: 24 No of deaths Paris: 82 No of deaths Rome: 42 No of deaths Valencia: 12
Huynen, et al. [70]	Netherlands ³ 65 years	1990, 1994, 1995, 1997	25.0-30.0	No of deaths 1990: 301 No of deaths 1994: 1.043 No of deaths 1995: 214 No of deaths 1997: 230
Fouillet, et al. [71]	22 regions of France ³ 75 years	1 - 20 August	25.0-37.0	No of deaths: 14539
Green, et al. [43]	England (East of England, East Midlands, London, North East, North West, South East, South West, West Midlands, Yorkshire & Humber) > 65 years	1 June- 15 September 2013	19.5, 16.5-21.6 19.1, 17.7-22.7	No of deaths: 195
Yang, et al. [53]	Guangzou, China > 65 years	13-24 July 2005 June, 9-14 August 2005	22.9, 19.7- 27.6	No of deaths: 606 No of deaths: 453
Lan, et al. [38]	Harbib, China ³ 65 years	7 -11 June 2010	> 35.0	No deaths: 284
Michelozzi, et al. [56]	Rome, Milan, Turin, Bologna, Italy ³ 75 years	June-August 2003	35.2, 32.7, 32.7, 32.8,	No of deaths in Rome: 6089 No of deaths in Milan: 2958 No of deaths in Turin: 2331 No of deaths in Bologna: 1432
Ellis, et al. [47]	New York > 65 years	1- 7 August 1975	³ 28.9	No of deaths: 136.3 ± 35.6
Revich, et al. [37]	Moscow, Russia 2001 > 75 years	15- 27 July 2001	> 22.7	No of deaths: 1200
Schifano, et al. [51]	Rome, Italy ³ 65 years	May, June, July, August 2005-2007	May 29.2, 28.8-33.5 June 33.4, 31.2-38.4 July 34.4, 32.6-39.1 August 34.3, 32.9-39.7	No of deaths: 18.609
Schaffer, et al. [72]	Sydney, Australia ³ 75 years	30 January- 6 February 2011	35.2, 32.0- 38.5	No of deaths: 814
Huang, et al. [52]	Shangai, China > 65 years	19 July-6 August 2003	36.3	No of deaths: 2283
Smoyer [41]	St. Louis, Missouri, USA > 64 years	4-17 July 1980 12-17 July 1995	41.7 38.3	Average number of deaths on 1980: 14.61 ± 6.91 Average number of deaths on 1995: 9.07 ± 3.31
Sun, et al. [54]	Pudong New Area, China > 65 years	16 June- 15 September 2013	30.1, 27.0-31.6	No of deaths: 3.726