LIS Latent TB infection phase 1 and 2 2009

Malawi, 2008 - 2012

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Reference ID

MWI-MEIRU-TB-LIS-2008-v01

Producer(s)

Dr. Anne Ben-Smith, Prof. Amelia C Crampin

Collections

Karonga HDSS Karonga -District-wide

Metadata

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 15, 2025

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25724

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NYHA score (nyha)

Data file: tb_tbi

Overview

Valid: 537

Invalid: 2147

Type: Discrete

Decimal: 0

Width: 1

Range: 0 - 9

Format: Numeric

Questions and instructions

Literal question

NYHA score

Categories

Value	Category
0	No limitations - Ordinary physical activity does not cause undue dyspnea
1	Minor limitations - comfortable at rest. Ordinary physical activity (climbing stairs, cleaning house) results in dyspnea
2	Marked limitations; They are comfortable at rest. Minor activity (making bed, getting dressed) causes dyspnea.
3	Clear inability to carry on any physical activity without discomfort. Dyspnea may be present even at rest. If any physical activity is undertaken, discomfort is increased
8	Unknown
9	Missing

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

Others

Notes

Available in versions -,, 09, 10, 11, 12, 16
Must be blank if version 01- 04 else must be filled

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