Nasopharyngeal cancer
Tier: Burden tier · Matched burden cause: Nasopharynx cancer (GBD cause 447), 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 | 2,202 | 3,121 | 4,053 | 5,918 | 7,714 | 17,180 |
| Share of pool (%) | 8.30% | 8.52% | 8.10% | 9.00% | 9.03% | 13.41% |
First-to-last share change: +61.6% (relative). Dynamics label: Technology-ignited.
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 | +1.26 | +1.57 | +1.81 | +2.02 | +2.05 | +2.57 |
| ABR | 2.40 | 2.98 | 3.51 | 4.07 | 4.15 | 5.94 |
| Publication share of 7-cause pool (%) | 13.6% | 14.4% | 14.5% | 15.1% | 14.7% | 20.8% |
| DALY share of 7-cause pool (%) | 5.7% | 4.8% | 4.1% | 3.7% | 3.5% | 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) | 4,785 | 1,816 | 1,576 | 1,050 | 978 | 2,467 |
First-to-last change: -48.4% (4,785 → 2,467 km). Last-period distances remain large in absolute terms for every cause.
The path is not monotone: the distance fell to 978 km in 2015–19 and rebounded to 2,467 km in 2020–24, the largest single-step reversal in this layer.
First-author geography
LMIC share of parsed first-author records: 16.3% → 50.2% (this area; pooled across all 14 areas: 7.9% → 39.8%). Share of first authors located in this cause's ten highest-DALY countries: 42.5% → 37.7%.
Decoupling typology
| Signal | Value | Direction (main thresholds) |
|---|---|---|
| S — relative change in pool publication share | +61.6% | up |
| B — relative change in DALY share of the 7-cause pool | -38.3% | down |
| A — change in log2 ABR | +1.31 | up |
| Threshold set | Assigned type |
|---|---|
| Low (±15% / ±0.3) | Technology-ignited |
| Main (±25% / ±0.5) | Technology-ignited |
| High (±35% / ±0.7) | Technology-ignited |
Annualised absolute DALYs for this cause changed +3.9% 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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