Table 4.

Herson-Todd Score Performance in Predicting in-Hospital Death or major Morbidity among Children with Acute Bacterial Meningitis in Guatemala City, 2000-2007

Cutoff	N	Sensitivity	Specificity	Correctly classified	+LR	−LR
≥ 2	374	0.99	0.07	0.77	1.1	0.1
≥ 3	332	0.93	0.34	0.79	1.4	0.2
≥ 4	272	0.84	0.70	0.80	2.8	0.2
≥ 5	221	0.70	0.82	0.73	3.9	0.4
≥ 6	164	0.53	0.90	0.62	5.3	0.5
≥ 7	122	0.40	0.92	0.52	5.0	0.7
≥ 8	93	0.31	0.98	0.47	15.5	0.7
≥ 9	59	0.20	0.99	0.39	20	0.8

Abbreviations: LR: likelihood ratio