Abstract
Background
The completeness of a trauma registry’s data is essential for its valid use. This study aimed to evaluate the extent of missing data in a new multicentre trauma registry in India and to assess the association between data completeness and potential predictors of missing data, particularly mortality.
Methods
The proportion of missing data for variables among all adults was determined from data collected from 19 April 2016 to 30 April 2017. In-hospital physiological data were defined as missing if any of initial systolic blood pressure, heart rate, respiratory rate, or Glasgow Coma Scale were missing. Univariable logistic regression and multivariable logistic regression, using manual stepwise selection, were used to investigate the association between mortality (and other potential predictors) and missing physiological data.
Results
Data on the 4466 trauma patients in the registry were analysed. Out of 59 variables, most (n = 51; 86.4%) were missing less than 20% of observations. There were 808 (18.1%) patients missing at least one of the first in-hospital physiological observations. Hospital death was associated with missing in-hospital physiological data (adjusted OR 1.4; 95% CI 1.02–2.01; p = 0.04). Other significant associations with missing data were: patient arrival time out of hours, hospital of care, ‘other’ place of injury, and specific injury mechanisms. Assault/homicide injury intent and occurrence of chest X-ray were associated with not missing any of first in-hospital physiological variables.
Conclusion
Most variables were well collected. Hospital death, a proxy for more severe injury, was associated with missing first in-hospital physiological observations. This remains an important limitation for trauma registries.
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Funding
The AITSC was funded by the Indian Government (Department of Science and Technology) and the Australian Government (Department of Industry, Innovation and Science), through the Australia-India Strategic Research Fund (AISRF), Grand Challenge Round 2, AISRF-GA12, Grant Number GCF0200130.
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The authors declare they have no conflict of interest.
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Ethics approval for this study was granted by the Alfred Hospital Ethics Committee (Project 245/17), the Monash University Human Research Ethics Committee (CF16/1814 - 2016000929), and each hospital site in India (AIIMS—IEC/NP-327/2013; LTMG—IEC/83/14; VS—approved 13/11/2013; GTB—approved 12/2/2015).
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Shivasabesan, G., O’Reilly, G.M., Mathew, J. et al. Establishing a Multicentre Trauma Registry in India: An Evaluation of Data Completeness. World J Surg 43, 2426–2437 (2019). https://doi.org/10.1007/s00268-019-05039-2
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DOI: https://doi.org/10.1007/s00268-019-05039-2