Table 1.

Urinary TCPy concentration, blood cholinesterase activity, and plasma PON1 activity from the Egyptian study population before and after CPF application

Measure	Baseline	Post CPF application	P-value
Urinary TCPy (µg/g creatinine)
N	100	97	< 0.001a
Mean ± SD	18.4 ± 73.4	49.1 ± 177.8
Median	7.0	15.9
Range	1.5 – 734	2.9 – 1664
Plasma BuChE (U/ml)
N	100	97	< 0.001b
Mean ± SD	1.77 ± 0.52	1.59 ± 0.52
Median	1.75	1.64
Range	0.49 – 3.65	0.36 – 2.82
RBC AChE (U/g Hgb)
N	100	97	0.018b
Mean ± SD	28.3 ± 3.5	27.7 ± 3.2
Median	28.4	26.8
Range	11.7 – 37.3	19.0 – 37.5
CPOase (U/l)
N	67	67	0.398b
Mean ± SD	3680 ± 1140	3772 ± 1216
Median	3668	3829
Range	1286 – 6348	1329 – 7030
POase (U/l)
N	67	67	0.053b
Mean ± SD	83.5 ± 39.3	78.3 ± 35.2
Median	77.4	73.4
Range	23.8 – 171.2	18.0 – 173.4

P-value compares measures collected at baseline to post CPF application using

^aWilcoxon sign rank test or

^bparied t-test