Missed Registration of Disease Codes for Pediatric Anaphylaxis at the Emergency Department

Table 2

Triggers of anaphylaxis cases registered accurately or inaccurately.

Variables	Overall (n = 184)	Accurate (n = 23)	Inaccurate coding (n = 161)
Drug (%)	29 (15.8)	9 (39.1)	20 (12.4)	0.003
NSAIDs	4 (2.2)	2 (8.7)	2 (1.2)	0.077
Penicillin	3 (1.6)	3 (13.0)	0 (0.0)	0.002
Cephalosporin	4 (2.2)	3 (13.0)	1 (0.6)	0.006
Vaccine	3 (1.6)	0 (0.0)	3 (1.9)	1.000
Acetaminophen	7 (3.8)	1 (4.3)	6 (3.7)	1.000
Insect sting	1 (0.5)	0 (0.0)	1 (0.6)	1.000
Food	121 (65.8)	12 (52.2)	109 (67.7)	0.142
Seafood	18 (9.8)	3 (13.0)	15 (9.3)	0.476
Wheat	8 (4.3)	1 (4.3)	7 (4.3)	1.000
Buckwheat	2 (1.1)	0 (0.0)	2 (1.2)	1.000
Pupa	2 (1.1)	0 (0.0)	2 (1.2)	1.000
Nut	5 (2.7)	2 (8.7)	3 (1.9)	0.118
Egg	23 (12.5)	4 (17.4)	19 (11.8)	0.498
Kiwi	2 (1.1)	0 (0.0)	2 (1.2)	1.000
Pork	3 (1.6)	0 (0.0)	3 (1.9)	1.000
Cow milk	34 (18.5)	1 (4.3)	33 (20.5)	0.083
Idiopathic	30 (16.3)	1 (4.3)	29 (18.0)	0.132

Fisher’s exact test. NSAID = nonsteroidal anti-inflammatory drug.