Otitis media
Tier: Burden tier · Matched burden cause: Otitis media (GBD cause 329), GBD 2023 (DALYs primary).
Publication share of the 14-area pool
Pool share (%) by five-year period. Pool totals: 1995–1999 26,544, 2000–2004 36,611, 2005–2009 50,051, 2010–2014 65,755, 2015–2019 85,380, 2020–2024 128,117.
| Period | 1995–1999 | 2000–2004 | 2005–2009 | 2010–2014 | 2015–2019 | 2020–2024 |
|---|---|---|---|---|---|---|
| Publications | 2,229 | 2,740 | 2,873 | 2,955 | 3,104 | 3,706 |
| Share of pool (%) | 8.40% | 7.48% | 5.74% | 4.49% | 3.64% | 2.89% |
First-to-last share change: -65.5% (relative). Dynamics label: Resolution-dilution.
Attention–burden ratio (ABR)
log2 ABR by period (dashed line = parity, ABR 1). Last period pairs publications 2020–24 with burden 2020–23 (see Methods).
| Period | 1995–1999 | 2000–2004 | 2005–2009 | 2010–2014 | 2015–2019 | 2020–2024 |
|---|---|---|---|---|---|---|
| log2 ABR | +1.39 | +1.36 | +1.15 | +0.82 | +0.60 | +0.34 |
| ABR | 2.61 | 2.56 | 2.21 | 1.76 | 1.52 | 1.27 |
| Publication share of 7-cause pool (%) | 13.8% | 12.7% | 10.3% | 7.5% | 5.9% | 4.5% |
| DALY share of 7-cause pool (%) | 5.3% | 4.9% | 4.6% | 4.3% | 3.9% | 3.5% |
Burden–research centroid distance
Great-circle distance (km) between the DALY-weighted burden centroid and the first-author research centroid (arithmetic mean centres; see Methods).
| Period | 1995–1999 | 2000–2004 | 2005–2009 | 2010–2014 | 2015–2019 | 2020–2024 |
|---|---|---|---|---|---|---|
| Distance (km) | 10,180 | 9,411 | 7,136 | 5,426 | 3,654 | 2,013 |
First-to-last change: -80.2% (10,180 → 2,013 km). Last-period distances remain large in absolute terms for every cause.
First-author geography
LMIC share of parsed first-author records: 9.4% → 34.4% (this area; pooled across all 14 areas: 7.9% → 39.8%). Share of first authors located in this cause's ten highest-DALY countries: 44.1% → 42.4%.
Decoupling typology
| Signal | Value | Direction (main thresholds) |
|---|---|---|
| S — relative change in pool publication share | -65.5% | down |
| B — relative change in DALY share of the 7-cause pool | -33.0% | down |
| A — change in log2 ABR | -1.04 | down |
| Threshold set | Assigned type |
|---|---|
| Low (±15% / ±0.3) | Resolution-dilution |
| Main (±25% / ±0.5) | Resolution-dilution |
| High (±35% / ±0.7) | Unclassified |
Annualised absolute DALYs for this cause changed +12.9% between the first and last periods. B is a share: a falling B means relative dilution inside the pool, never an absolute decline.
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