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ORIGINAL RESEARCH

A 20-Year Follow-Up of a Population Study-Based COPD Cohort-Report from the Obstructive Lung Disease in Northern Sweden Studies

Bo Lundbäck Herman Krefting Laboratory, Department of Internal Medicine/Respiratory Medicine and Allergology, Sahlgrenska Academy, University of Gothenburg; The OLIN Studies, Sunderby Central Hospital of Norrbotten, Luleå, Sweden

Berne Eriksson Herman Krefting Laboratory, Department of Internal Medicine/Respiratory Medicine and Allergology, Sahlgrenska Academy, University of Gothenburg; The OLIN Studies, Sunderby Central Hospital of Norrbotten, Luleå, Sweden

Anne Lindberg The OLIN Studies, Sunderby Central Hospital of Norrbotten, Luleå, Sweden

Linda Ekerljung Herman Krefting Laboratory, Department of Internal Medicine/Respiratory Medicine and Allergology, Sahlgrenska Academy, University of Gothenburg

Hana Muellerova World Wide Epidemiology, GlaxoSmithKline, Greenford, United Kingdom

Lars-Gunnar Larsson The OLIN Studies, Sunderby Central Hospital of Norrbotten, Luleå, Sweden

Eva Rönmark Herman Krefting Laboratory, Department of Internal Medicine/Respiratory Medicine and Allergology, Sahlgrenska Academy, University of Gothenburg; The OLIN Studies, Sunderby Central Hospital of Norrbotten, Luleå, Sweden; Department of Public Health and Clinical Medicine/Occupational and Environmental Medicine, University of Umeå, Umeå, Sweden

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Figures & data

Table 1 Baseline characteristics of the COPD cohort in 1986 by age and sex

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Table 2 Deaths in relation to anthropometric data, severity of COPD and mean FEV₁ in percent of predicted values

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Figure 1 Kaplan-Maiyer curves expressing survival in subjects with COPD over 20 years by age-group (a), and in subjects with either chronic bronchitis, asthma-like phenotype, or without either chronic bronchitis and asthma-like phenotype (b). Sex, age-group (not in ), COPD severity stage, smoking habits, socioeconomic status and atopy were used as covariates.

Figure 2 Percentage (%) of deceased by age-group and severity stage (GOLD) of COPD.

Table 3 Deaths in relation to heart disease, family history of obstructive airways disease (OAD), atopy, and chronic respiratory symptoms

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Table 4 Risk factors for death by Cox regression; Age (age group) and FEV₁ (GOLD severity stage) as categorical variables

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A 20-Year Follow-Up of a Population Study-Based COPD Cohort-Report from the Obstructive Lung Disease in Northern Sweden Studies

Table 1 Baseline characteristics of the COPD cohort in 1986 by age and sex

Table 2 Deaths in relation to anthropometric data, severity of COPD and mean FEV₁ in percent of predicted values

Table 3 Deaths in relation to heart disease, family history of obstructive airways disease (OAD), atopy, and chronic respiratory symptoms

Table 4 Risk factors for death by Cox regression; Age (age group) and FEV₁ (GOLD severity stage) as categorical variables

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A 20-Year Follow-Up of a Population Study-Based COPD Cohort-Report from the Obstructive Lung Disease in Northern Sweden Studies

Figures & data

Table 1 Baseline characteristics of the COPD cohort in 1986 by age and sex

Table 2 Deaths in relation to anthropometric data, severity of COPD and mean FEV1 in percent of predicted values

Table 3 Deaths in relation to heart disease, family history of obstructive airways disease (OAD), atopy, and chronic respiratory symptoms

Table 4 Risk factors for death by Cox regression; Age (age group) and FEV1 (GOLD severity stage) as categorical variables

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Table 2 Deaths in relation to anthropometric data, severity of COPD and mean FEV₁ in percent of predicted values

Table 4 Risk factors for death by Cox regression; Age (age group) and FEV₁ (GOLD severity stage) as categorical variables