Table 3

Summary of primary outcomes in childhood-onset IgA vasculitis (IgAV) cases and corresponding controls

HypertensionVenous thromboembolismChronic kidney disease
IgAVControlIgAVControlIgAVControl
Patients, n10 22020 57410 37620 77310 37020 763
Numbers of outcomes13919325463234
Person-years60 753.91123 318.162 333.31125 359.362 185.31125 362.3
Incidence rate (per 1000 person-years)2.291.570.400.370.510.27
Crude HR (95% CI)1.46 (1.17–1.81)1.08 (0.66–1.75)1.90 (1.17–3.08)
Pvalues0.0010.7620.009
Adjusted HR (95% CI)1.52 (1.22–1.89)1.10 (0.68–1.79)1.89 (1.16–3.07)
P values<0.0010.6970.010