. 2014 Jun 27;122(10):1088–1094. doi: 10.1289/ehp.1307756

Table 2.

The concentrations of As species in EUC and urine.

As species	Minimum	25th percentile	Median	75th percentile	Maximum	IQR	Mean ± SD
EUC (pg As/10,000 cells)
iAs^III	< LOD^a	2.08	8.18	17.69	1,807	15.61	24.06 ± 103.0
MAs^III	< LOD	0.45	1.78	4.04	151.7	3.59	4.17 ± 11.22
DMAs^III	< LOD	0.16	0.41	1.54	141.3	1.38	2.73 ± 9.58
iAs^V	< LOD	1.27	4.53	22.66	728.7	21.39	34.79 ± 86.26
MAs^V	< LOD	0.19	0.85	5.08	776.2	4.89	13.11 ± 53.48
DMAs^V	< LOD	0.66	1.90	13.82	2,303	13.16	49.18 ± 200.7
iAs^{III + V}	0.36	6.35	17.13	41.11	2,148	34.76	58.52 ± 155.2
MAs^{III + V}	0.04	1.12	3.14	9.84	803.3	8.72	17.25 ± 57.87
DMAs^{III + V}	0.04	0.88	2.41	15.83	2,366	14.95	51.91 ± 208.9
Sum of As species^b	0.78	10.05	25.50	76.3	3,773	66.25	127.7 ± 359.6
MAs/iAs	0.01	0.15	0.2	0.28	3.63	0.13	0.26 ± 0.28
DMAs/MAs	0.04	0.55	1.10	2.90	51.47	2.35	2.15 ± 3.64
DMAs/iAs	0.004	0.10	0.20	0.52	35.0	0.42	0.77 ± 2.5
(MAs + DMAs)/iAs	0.02	0.28	0.40	0.79	35.63	0.51	1.03 ± 2.68
Urine (ng As/mL)
iAs^{III + V}	< LOD	0.98	4.62	10.21	119.2	9.23	7.3 ± 10.3
MAs^{III + V}	< LOD	2.23	7.34	15.97	131.1	13.74	11.1 ± 12.9
DMAs^{III + V}	0.36	13.05	40.46	82.72	307.2	69.67	55.42 ± 53.8
Sum of As species	0.52	17.00	53.50	108.4	492.5	91.40	73.87 ± 73.24
MAs/iAs	0.10	1.28	1.64	2.11	199.4	0.83	4.51 ± 18.1
DMAs/MAs	1.73	4.09	5.19	7.06	86.2	2.97	6.25 ± 5.27
DMAs/iAs	0.41	6.57	9.25	12.43	2,117	5.86	29.1 ± 142.3
(MAs + DMAs)/iAs	0.51	8.07	10.94	14.47	2,317	6.40	33.58 ± 159.6
^aThe minimum values were < LOD for iAs^III (n = 3), MAs^III (n = 13), DMAs^III (n = 19), iAs^V (n = 6), MAs^V (n = 21), or DMAs^V (n = 3) in EUC, and for iAs^{III + V} (n = 15) or MAs^{III + V} (n = 2) in urine. ^bSum of As species = iAs^V + iAs^III + MAs^V + MAs^III + DMAs^V + DMAs^III.