Table 1

Study population

Males

Females


Total

n = 422

n = 334


Age

Average ± SD

52.4 ± 20.9

54.8 ± 21.8

0-12 months

n = 12

n = 8

1-14 years old

n = 22

n = 13

15-30 years old

n = 33

n = 24

31-59 years old

n = 192

n = 142

60-79 years old

n = 138

n = 108

80 years old or older

n = 25

n = 39


Adult inpatient (not ICUa)

n = 287

n = 248

Pediatric inpatient (not ICU)

n = 19

n = 10

ICU

n = 88

n = 59

Emergency room

n = 5

n = 5

Primary care clinic

n = 4

n = 4

Other outpatient clinic

n = 15

n = 8


Monotherapy with phenytoin

n = 200

n = 171

One additional anti-epileptic drugsb

n = 176

n = 129

Two additional anti-epileptic drugsb

n = 38

n = 29

Three or more additional anti-epileptic drugsb

n = 8

n = 5


No seizures within 24 hrs of phenytoin drug level

n = 265

n = 228

Seizure(s) within 24 hrs of phenytoin drug level

n = 157

n = 106


a ICU intensive care unit

b Number of patients administered other anti-epileptic drugs: carbamazepine, 15; clonazepam, 5; diazepam, 10; felbamate, 9; lacosamide, 16; lamotrigine, 30; levetiracetam, 167; lorazepam, 56; pentobarbital, 14; phenobarbital, 51; primidone, 6; topiramate 19; valproic acid 44; zonisamide, 13

Krasowski and Penrod BMC Medical Informatics and Decision Making 2012 12:7   doi:10.1186/1472-6947-12-7

Open Data