Table 1.

Demographics and patch test results: 2007–2008

	Number of patients (%)	Age at first SSI dose (years), median (min.–max.)	Time from first SSI dose to test (years), median (min.–max.)	Age at test (years), median (min.–max.)
Total	241	1.1 (0.0–9.1)	11.9 (8.6–16.0)	13.3 (8.9–21.2)
Sex
Male	89 (36.9)	1.0 (0.0–7.9)	11.7 (8.6–15.4)	12.8 (8.9–18.9)
Female	152 (63.1)	1.3 (0.2–9.1)	11.9 (9.0–16.0)	13.6 (10.0–21.2)
Patch test result
Positive	55 (22.8)	0.3 (0.0–8.1)	11.4 (8.6–12.5)	11.9 (8.9–18.9)
Negative	186 (77.2)	1.3 (0.2–9.1)	11.9 (8.6–16.0)	13.5 (8.9–21.2)

SSI, Statens Serum Institute.