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Table 1 Chi-square test to evaluate the presence/absence of OPs metabolites in men from Majes, Arequipa.

From: Semen quality in Peruvian pesticide applicators: association between urinary organophosphate metabolites and semen parameters

Dependent variable Non Exposed
n/N (%)
Exposed
n/N (%)
p No Exposed
GM((DS(GM)))
Exposed
GM((DS(GM))
p
DEP 5/31 (16.1) 8/31 (25.8) 0.53 2.99(2.06) 3.75 (8.17) 0.31
DEDTP 9/31 (29.0) 18/31 (58.1) 0.04 10.24(54.46) 25.33 (78.60) 0.01
DETP 2/31 (6.5) 10/31 (32.3) 0.02 2.66(1.02) 3.85 (7.15) 0.10
DMP 23/31 (74.2) 26/31 (86.9) 0.53 9.57(19.47) 14.22 (42.42) 0.14
DMDTP 5/31 (16.1) 1/31 (3.2) 0.19 56.37(6.65) 5.3 (4.53) 0.10
DMTP 18/31 (58.1) 25/31 (80.6) 0.09 9.69(68.72) 22.92 (48.55) 0.02
  1. n = number of subjects with the metabolite in urine. N = number of subjects in each group (exposed or non exposed subjects). P: level of significance after chi square test.
  2. LOD (Limit of detection) for: DMP, DMTP, DEP, DETP 5 ug/l. DMDTP, DEDTP 10 ug/l.