TB cases (1974-2018) and controls (1998-2018) analytical dataset (Karonga)

Malawi

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Reference ID

MWI-MEIRU-TB-COMBINE-FINAL-2022-v01

Producer(s)

Mia Crampin, Estelle McLean

Collections

Karonga -District-wide Combined / Harmonized Datasets Karonga HDSS

Metadata

Documentation in PDF DDI/XML JSON

Created on

Nov 14, 2025

Last modified

Nov 15, 2025

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Certainty of biopsy diagnosis (D) (biopcertainty)

Data file: combined_tb_cases_controls_final

Overview

Valid: 201

Invalid: 12710

Type: Discrete

Decimal: 0

Start: 255

End: 255

Width: 1

Range: 0 - 9

Format: Numeric

Questions and instructions

Literal question

Certainty of biopsy diagnosis

Categories

Value	Category	Cases
0	uncertain	0	0%
1	confirmed beyond reasonable doubt	164	81.6%
2	suggestive but not diagnostic / pathognomonic	16	8%
3	pathological and possibly leprosy	2	1%
4	pathological bur non-specific	8	4%
5	normal tissue	1	0.5%
6	pathological and indicative of some other disease	7	3.5%
7	other/ unforeseen circumstances	3	1.5%
8	unknown	0	0%
9	missing	0	0%
Sysmiss		12710

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.

Imputation and derivation

Derivation

variable: tblabno [lab number] (table[s]: tb_specimen, tb_biopsy)
variable: datecoll [specimen collection date] (table[s]: tb_specimen)
variable: certainty [certainty of biopsy result] (table[s]: tb_biopsy)

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