Inpatient hospital data processing GBD 2020
- Inpatient pipeline
- Format and standardize ICD codes by source
- Map to detailed sequelae (ICG)
- Apply age/sex restrictions
- Calculate age/sex weights
- Apply age/sex weights to split data
- Re-apply age/sex restrictions
- Apply envelope draws to admission fractions
- Divide admissions by GBD population
- Aggregate to ICGs to modeling bundle
- Square the data
- Aggregate to 5-year estimates
- Apply correction factors
- Upload to database, calculate uncertainty
- Maternal denominator
- Inpatient pipeline
- CFs
Inpatient utilization envelope estimation GBD 2020
- Survey microdata
- Envelope pipeline
- Apply sex ratios to both-sex data
- Separate survey data and group by estimate type, recall period
- Apply recall adjustment to surveys reporting averge number of visits
- Apply adjustment to surveys reporting proportion data
- Separate data disaggregated by GBD age groups and other age bin data
- Apply age-splitting
- Apply MAD outliering
Intellectual disability
- Meta-analysis stratified by income status: Proportion of IQ
- Meta-analysis: Ratio of borderline (IQ 70-85) to
- Severity splits
- Comorbidity correction (COMO)
- Dismod-MR 2.1
- Squeeze severity-specific outcomes to severity-specific envelopes
Interstitial Lung Disease
- Computing excess mortality
- Inpatient hospital data
- Comorbidity correction (COMO)
- DisMod-MR 2.1
- Meta-analysis of mild, moderate, severe
- Severity splits
Interstitial Nephritis
- Model excess mortality in MR-BRT
- MR-BRT bias correction analysis for altenrative case definition/method
- Comorbidity correction (COMO)
- Dismod-MR 2.1
- Meta-analysis
- Severity splits
- Adjustment from primary code to all code for both inpatient and outpatient encounters based on claims data
Invasive Non-typhoidal Salmonella (iNTS)
Iodine deficiency
- Age sex splitting
- Meta-analysis of % mild, moderate, severe
- Identify studies reporting cretinism & goiter
- Regress logit prevalence of cretinism on logit prevalence of goiter
- Predict cretinism prevalence among children
- Drop countries with 90% national household consumption of iodized salt
- DisMod-MR 2.1
- Severity splits
- Comorbidity correction (COMO)
- Intellectual disability analysis
Iron Deficiency
Ischemic Heart Disease
- Age sex splitting and bias adjustment
- Equation for calculating 30-day survivors
- Excess mortality transformed 30-day case fatality
- Multiply MI:IHD by post-CodCorrect proportion
- Proportion of pre-redistribution, pre-CoDCorrect IHD that is pre-redistribution AMI
- Remove to avoid double-counting
- Comorbidity correction (COMO)
- DisMod-MR 2.1
- Meta-analysis of mild, moderate, severe
- Severity splits
- Claims data code adjustment
- Disability weights for each sequela
Leprosy
- Age sex splitting
- Proportion of Grade 1 Cases Regression
- Geographic Restrictions
- Comorbidity correction (COMO)
- DisMod-MR 2.1
Low back pain
- Case deifinition crosswalk
- MAD outliering
- Age-sex splitting
- Comorbidity correction (COMO)
- DisMod-MR 2.1
- Map SF-12 to GBD disability weights
- Regression to estimate disability weight by cause in survey respondents controlling for comorbidity
- Severity splits
- Proportion LBP cases with code for leg pain
Lower Respiratory Infections
- Adjust for seasonality
- MR-BRT to adjust alternative case definitions to reference definition
- Model LRI incidence and prevalence in DisMod-MR
- Severity split from ratio of severe/very-severe to moderate LRI
Lower respiratory infections
- LRI etiology
- Calculate vaccine efficacy of PCV against vaccine-type pneumococcal pneumonia, for adults and children
- Calculate attributable fraction for pneumococcal pneumonia among before and after and RCT studies
- Adjust for country-level vaccine coverage for location/sex/age/year estimates of pneumococcal PAF
- Apply to counterfactual influenza and RSV nonfatal estimates for year 2020 by location/age/sex
Lymphatic filariasis
