An Outbreak of Hepatic Veno-Occlusive Disease in Western Afghanistan Associated with Exposure to Wheat Flour Contaminated with Pyrrolizidine Alkaloids

Table 3

Comparison of liver function between cases and controls, Gulran District, Afghanistan, 2008.

	$n/N$ (%) with elevated levels		Mean/Geometric mean
Test	Cases	Controls	Cases	Controls
SGOT (IU/l)^1, 2	32/66 (48.5)	25/194 (12.9)	36.6	27.9
SGPT(IU/l)^1, 2	30/66 (45.5)	25/194 (12.9)	42.3	33.1
Alk Phos (IU/l)^2	2/66 (3.0)	2/194 (1.0)	213.2	182.9
Bilirubin (mmol/l)^1, 2	29/66 (44.0)	21/194 (10.8)	0.8	0.5
Hep B Antigen	5/66 (7.6)	5/194 (2.6)	—	—
Hep C Antigen	1/66 (1.5)	2/194 (1.0)	—	—

${}^1\text{Chi}$ Sq, $P<.001$
${}^2\text{Students}$$T$-test (log data if skewed): $P<.001$.