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Observer variation in detecting lymphadenopathy on chest radiography
Objective. To assess inter- and intra-observer agreement in the detection of lymphadcnopathy on chest radiography in children at risk for tuberculosis. Methods Dianostic test. Chest radiography using antero-posterior and lateral films. Observers. Four paediatric pulmonologists independently viewing...
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| Format: | Thesis |
| Language: | English |
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Department of Paediatrics and Child Health
2023
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| _version_ | 1867613799196917760 |
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| access_status_str | Open Access |
| author | Du Toit, Lionel George |
| author2 | Swingler, George |
| author_browse | Du Toit, Lionel George Swingler, George |
| author_facet | Swingler, George Du Toit, Lionel George |
| author_sort | Du Toit, Lionel George |
| collection | Thesis |
| description | Objective. To assess inter- and intra-observer agreement in the detection of lymphadcnopathy on chest radiography in children at risk for tuberculosis. Methods Dianostic test. Chest radiography using antero-posterior and lateral films. Observers. Four paediatric pulmonologists independently viewing the radiographs. Alain outcome measures. Inter- and intra-observer agreement on the presence or absence of lymphadenopathy, reported as present, absent or equivocal, and expressed as weighted Kappa statistics. Results. Weighted Kappa for the six pairs of observers ranged from 0.14 (95% Cl 0.02-0.30) to 0.52 (95% CT 0.35-0.69). After a 3-month interval intra-observer agreement ranged from 0.44 (95% Cl 0.25-0.62) to 0.71 (95% CI 0.56-0.87). Average weighted Kappa for inter-observer agreement was 0.33. Average intra-observer Kappa was 0.55. Conclusions. There was "fair" inter- and 'moderate" intra-observer agreement among paediatric pulmonulogists in detecting lymphadcnopathy on chest radiography in children. Caution is necessary when basing clinical decisions on the presence of lymphadenopathy on chest radiography. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/38356 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:41:53.260Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2023 |
| publishDateRange | 2023 |
| publishDateSort | 2023 |
| publisher | Department of Paediatrics and Child Health |
| publisherStr | Department of Paediatrics and Child Health |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/38356 Observer variation in detecting lymphadenopathy on chest radiography Du Toit, Lionel George Swingler, George Medicine Objective. To assess inter- and intra-observer agreement in the detection of lymphadcnopathy on chest radiography in children at risk for tuberculosis. Methods Dianostic test. Chest radiography using antero-posterior and lateral films. Observers. Four paediatric pulmonologists independently viewing the radiographs. Alain outcome measures. Inter- and intra-observer agreement on the presence or absence of lymphadenopathy, reported as present, absent or equivocal, and expressed as weighted Kappa statistics. Results. Weighted Kappa for the six pairs of observers ranged from 0.14 (95% Cl 0.02-0.30) to 0.52 (95% CT 0.35-0.69). After a 3-month interval intra-observer agreement ranged from 0.44 (95% Cl 0.25-0.62) to 0.71 (95% CI 0.56-0.87). Average weighted Kappa for inter-observer agreement was 0.33. Average intra-observer Kappa was 0.55. Conclusions. There was "fair" inter- and 'moderate" intra-observer agreement among paediatric pulmonulogists in detecting lymphadcnopathy on chest radiography in children. Caution is necessary when basing clinical decisions on the presence of lymphadenopathy on chest radiography. 2023-09-04T08:36:04Z 2023-09-04T08:36:04Z 2003 2023-09-04T08:34:55Z Master Thesis Masters MMed http://hdl.handle.net/11427/38356 eng application/pdf Department of Paediatrics and Child Health Faculty of Health Sciences |
| spellingShingle | Medicine Du Toit, Lionel George Observer variation in detecting lymphadenopathy on chest radiography |
| thesis_degree_str | Master's |
| title | Observer variation in detecting lymphadenopathy on chest radiography |
| title_full | Observer variation in detecting lymphadenopathy on chest radiography |
| title_fullStr | Observer variation in detecting lymphadenopathy on chest radiography |
| title_full_unstemmed | Observer variation in detecting lymphadenopathy on chest radiography |
| title_short | Observer variation in detecting lymphadenopathy on chest radiography |
| title_sort | observer variation in detecting lymphadenopathy on chest radiography |
| topic | Medicine |
| url | http://hdl.handle.net/11427/38356 |
| work_keys_str_mv | AT dutoitlionelgeorge observervariationindetectinglymphadenopathyonchestradiography |