title: The rising prevalence of asthma: true increase, diagnostic exchange or diagnostic accuracy?
abstract: In the midst of frequent reports about "the asthma epidemic," results from a number of studies by the manitoba centre for health policy have shown stable or decreasing prevalence of an overall indicator of respiratory diseases which includes asthma. To resolve these apparently contrary findings, we conducted a time trend analysis using administrative data. results revealed significant potential for diagnostic exchange: asthma prevalence increased, but that of bronchitis decreased.
authors: Senior Research Scientist, Manitoba Centre for Health Policy (MCHP), Assistant Professor, Community Health Sciences, Faculty of Medicine, University of Manitoba, Winnipeg, MB.
authors: Randall R
authors: RR
authors: Fransoo
authors: Patricia J
authors: PJ
authors: Martens
authors: Heather J
authors: HJ
authors: Prior
authors: Alan
authors: A
authors: Katz
authors: Elaine
authors: E
authors: Burland
authors: Nathan C
authors: NC
authors: Nickel
authors: Dan
authors: D
authors: Chateau
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001249:Asthma / Q000175:diagnosis / Q000453:epidemiology*; D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008350:Manitoba / Q000453:epidemiology; D008875:Middle Aged; D015995:Prevalence; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000453:epidemiology; D055815:Young Adult
references: MMWR Surveill Summ. 2007 Oct 19;56(8):1-54
references: 17947969
references: Chest. 1995 Jul;108(1):16-23
references: 7606953
references: Curr Opin Pulm Med. 2005 Jan;11(1):79-84
references: 15591893
references: Am J Respir Crit Care Med. 1997 Mar;155(3):1060-5
references: 9116987
references: Can Respir J. 2004 Mar;11(2):141-5
references: 15045045
references: Chest. 1998 Aug;114(2):388-92
references: 9726719
references: MMWR Surveill Summ. 2002 Mar 29;51(1):1-13
references: 12420904
references: Chest. 2003 Aug;124(2):438-48
references: 12907527
references: BMJ. 1990 May 19;300(6735):1306-10
references: 2369661
references: Pediatrics. 2002 Aug;110(2 Pt 1):315-22
references: 12165584
references: Can J Public Health. 2002 Nov-Dec;93 Suppl 2:S44-9
references: 12580390
references: Am Rev Respir Dis. 1986 Jun;133(6):981-6
references: 3717770
references: Can J Aging. 2005 Spring;24 Suppl 1:153-70
references: 16080132
references: Can Respir J. 2002 Nov-Dec;9(6):407-12
references: 12522486
references: Med Care. 1993 Mar;31(3):201-12
references: 8450678
references: J Asthma. 2006 Jan-Feb;43(1):75-80
references: 16448970
references: Chest. 2004 May;125(5):1657-64
references: 15136373
references: Chest. 1993 Jan;103(1):151-7
references: 8417870
references: CMAJ. 2008 Nov 18;179(11):1121-31
references: 19015563
references: Respir Med. 2001 Aug;95(8):685-92
references: 11530958
references: Health Rep. 2008 Jun;19(2):45-50
references: 18642518
references: J Epidemiol Community Health (1978). 1978 Dec;32(4):282-8
references: 744819
references: Health Rep. 1998 Winter;10(3):9-21 (ENG); 9-22 (FRE)
references: 9926344