Table 2.
No. (%) of types of first-time hospital-based diagnoses of HZ, Denmark, 1994–2012
| Calendar period | Total | |||||||
|---|---|---|---|---|---|---|---|---|
| 1994–1999 | 2000–2005 | 2006–2012 | ||||||
| Type of hospital contact | ||||||||
| Emergency room | 765 | (19) | 655 | (15) | 610 | (12) | 2030 | (15) |
| Outpatient clinic | 911 | (23) | 1035 | (24) | 1459 | (28) | 3405 | (25) |
| Inpatient | 2323 | (58) | 2661 | (61) | 3244 | (61) | 8228 | (60) |
| Type of diagnosis | ||||||||
| Primary diagnosis | 3040 | (76) | 3036 | (70) | 3759 | (71) | 9835 | (72) |
| Secondary diagnosis | 959 | (24) | 1315 | (30) | 1554 | (29) | 3828 | (28) |
| Severity of HZ | ||||||||
| Uncomplicated | 2873 | (72) | 3178 | (73) | 3580 | (67) | 9631 | (70) |
| Complicated | 1126 | (28) | 1173 | (27) | 1733 | (33) | 4032 | (30) |
| Extent of HZ | ||||||||
| Localized | 3390 | (85) | 3708 | (85) | 4235 | (80) | 11,333 | (83) |
| Disseminated | 609 | (15) | 643 | (15) | 1078 | (20) | 2330 | (17) |
| Diagnosis code (ICD-10 code) | ||||||||
| HZ meningo-encephalitis (B02.0–1) | 62 | (1.6) | 79 | (1.8) | 196 | (3.7) | 337 | (2.5) |
| HZ encephalitis (B02.0) | 54 | (1.4) | 63 | (1.4) | 146 | (2.7) | 263 | (1.9) |
| HZ meningitis (B02.1) | 8 | (0.20) | 16 | (0.37) | 50 | (0.94) | 74 | (0.54) |
| HZ with other nervous system involvement (B02.2) | 323 | (8.1) | 320 | (7.4) | 418 | (7.9) | 1061 | (7.8) |
| HZ ophthalmicus (B02.3) | 517 | (13) | 530 | (12) | 655 | (12) | 1702 | (12) |
| Disseminated HZ (B02.7) | 74 | (1.9) | 90 | (2.1) | 109 | (2.1) | 273 | (2.0) |
| HZ with other complication (B02.8) | 150 | (3.8) | 154 | (3.5) | 355 | (6.7) | 659 | (4.8) |
| HZ without complication (B02.9) | 2873 | (72) | 3178 | (73) | 3580 | (67) | 9631 | (71) |
| Total | 3999 | (29) | 4351 | (32) | 5313 | (39) | 13,663 | (100) |
Abbreviations: HZ herpes zoster, ICD-10 International Classification of Diseases, 10th revision