Table 2

Comparison of presenting symptoms, PICU interventions and outcomes between the historic and recent cohorts with invasive meningococcal disease

1995–20002001–2011
Symptomn=407n=353p Value (two-tailed z test)
Fever97% (392)82% (289)<0.01
Rash87% (354)89% (310)0.72
Vomiting63% (256)67% (233)0.37
Lethargy36% (147)51% (178)<0.01
Irritability36% (147)42% (149)0.48
Headache16% (65)14% (48)0.36
Myalgia7% (28)5% (19)0.39
Seizures7% (28)5% (18)0.3
Interventionn=254n=221
Ventilation30% (75)50% (111)<0.001
Inotropes22% (55)36% (79)<0.001
Peritoneal dialysis2% (6)3% (7)0.6
Haemofiltration4% (9)9% (19)<0.001
Protein C11% (27)11% (24)0.9
Outcomen=407n=340
Death4.6% (19)3.9% (15)*0.6
Any sequelae10.8% (44)9.4% (32)0.5
Sensorineural hearing loss3.1% (13)0.9% (3)0.02
Neurological4.4% (18)2.6% (9)0.09
Amputation0.3% (1)1.7% (6)0.03
Scars3.9% (16)5% (17)0.48
  • *Mortality data available for the entire cohort of 382 patients.

  • PICU, paediatric intensive care unit.