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Table 2 Age distribution for the five most frequent sub-diagnoses according to ICD-10 among each age group for patients given a non-specific hospital diagnosis after calling 112 in 2007–2014 in the North Denmark Region

From: Non-specific diagnoses are frequent in patients hospitalized after calling 112 and their mortality is high – a register-based Danish cohort study

Subdiagnoses Age groups
0–9 years 10–29 years 30–59 years 60+ years Total
N Percent N Percent N Percent N Percent N Percent
Unspecified disease (Z039) 311 10.5% 5102 40.7% 11,401 46.5% 18,465 52.9% 35,279 47%
Observation for disease (Z038) 325 11.0% 959 7.7% 1762 7.2% 2088 6.0% 5134 6.9%
Syncope and collapse (R55) 982 7.8% 1257 5.1% 2478 7.1% 4767 6.4%
Suspected nervous disease (Z033) 180 6.1% 1030 4.2% 1146 3.3% 2969 4.0%
Suspected cardiovascular disease (Z035) 947 3.9% 1493 4.3% 2623 3.5%
Observation following transport accident (Z041) 788 6.3% 1742 2.3%
Febrile convulsions (R560) 1602 54.3% 1608 2.1%
Unspecified convulsions (R568) 104 3.5% 806 1.1%
Others 428 14.5% 4396 35.1% 8104 33.1% 9207 26.4% 19,919 26.6%
Total 2948 100.0% 12,524 100.0% 24,500 100.0% 34,875 100.0% 74,847 100.0%