Table 2

Presentation rate (per 100 person-months) from HES (1997–2006) and CPRD-linked tumour registrations (1989–2006) in patients aged 0–24 years diagnosed with an intracranial tumour in England

Time from diagnosis (months)Hospital presentationsPrimary care presentations
Observation time (person-months)All admissionsEmergency only 
CountRate95% CICountRate95% CIPer cent*Observation time
(person-months)
CountRate95% CI
Before diagnosis
 12+ months164 643.26350.40.4 to 0.42240.10.1 to 0.235.313 560.74173.12.8 to 3.4
 6–1221 787.02761.31.1 to 1.41250.60.5 to 0.745.3972.1828.46.8 to 10.5
 3–611 466.02812.52.2 to 2.81511.31.1 to 1.553.7497.27515.112.0 to 18.9
 1–3†7812.34986.45.8 to 7.02603.32.9 to 3.852.2340.89126.721.7 to 32.8
 0–1 month‡3943.65283134.0130.4 to 137.6288073.070.4 to 75.754.5175.3261148.9131.9 to 168.1
After diagnosis
 0–1 month3864.63897100.897.7 to 104.1106727.626.0 to 29.327.4175.0200114.399.5 to 131.3
 1–37569.98209108.4106.1 to 110.8134417.816.8 to 18.716.4334.315947.640.7 to 55.6
 3–611 074.1800272.370.7 to 73.9136012.311.6 to 13.017.0482.319640.635.3 to 46.7
 6–1220 871.811 40554.653.6 to 55.718598.98.5 to 9.316.3910.924526.923.7 to 30.5
 12+ months161 455.121 85813.513.4 to 13.739492.42.4 to 2.518.111 643.2206217.717.0 to 18.5
  • *Proportion of hospital episodes that were admitted via an emergency route.

  • †This interval lasts from 3 months before diagnosis to the day before 1 month before diagnosis.

  • ‡This interval lasts from 1 month before diagnosis to the date of diagnosis (inclusive).

  • CPRD, Clinical Practice Research Datalink; HES, Hospital Episode Statistics.