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Section and category

Medical History.Personal


Description

“Age at first diagnosis of emphysema/bronchitis”


Additional information

Metadata
validation Hard max: Current age
contents Age in years
soft_min 15
is_mandatory No
is_dependent_on emph_bronc_diag

Data summary

Baseline




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
41.73 16.79 0 30 43 55 79 19.27 25 0.4 -0.32 0.02 -0.65 13345 2.59

Resurvey 1




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
45.01 16.59 1 33 48 58 73 17.79 25 0.37 -0.53 0.11 -0.45 485 2.45




Between-survey agreement

[1] “Spearman’s correlation matrix:”

Baseline Resurvey1
Baseline 1.000 0.663
Resurvey1 0.663 1.000


International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024