. 2007 Oct 18;11(5):R112. doi: 10.1186/cc6161

Table 3.

Comparison of disease characteristics based on serogroup of Neisseria meningitidis

	N. meningitidis^a
	Serogroup B	Serogroup C
Total number of children	175	44
Age in years	2.8^b	6.0^b
	(0.1 to 17.9)	(0.1 to 16.5)
PRISM score	16	14
	(1 to 37)	(1 to 35)
Predicted death rate (%)^c	8.9	4.9
	(0 to 100)	(0 to 100)
Number of children with DIC (%)	128	32
	(81)	(74)
Number of PICU-free days	24	25
	(0 to 28)	(0 to 27)
Base excess (mmol/L)	-8	-8.0
	(-21 to 4.4)	(-28 to 3)
Lactate (mmol/L)	4.2	3.5
Geometric mean, 95% CI	3.8 to 4.6	2.9 to 4.2
C-reactive protein (mg/L)	82^d	128^d
	(6 to 287)	(20 to 326)
Fibrinogen (g/L)	2.4	2.8
	(0.2 to 6.8)	(0.3 to 6.6)
Platelet count (×10³/μL)	110	113
	(15 to 475)	(13 to 336)
Leukocytes (×10³/μL)	8.8^e	12.2^e
Geometric mean, 95% CI	7.6 to 10.1	9.9 to 15.0
Glucose (mmol/L)	5.9	6.2
Geometric mean, 95% CI	5.4 to 6.5	5.5 to 6.9

^aResults represent median (min-max) unless stated otherwise. ^bp < 0.001. ^cPredicted death rate was based on the Rotterdam score. ^dp < 0.01. ^ep < 0.05. CI, confidence interval; DIC, disseminated intravascular coagulation; PICU, paediatric intensive care unit; PRISM, Paediatric Risk of Mortality.