Peripheral neuropathy induced by drinking water contaminated with low-dose arsenic in Myanmar

Table 4 Additional analyses for the ACDW threshold for the occurrence of objective sensory disturbances

	Impairment	< 10 ppb	≥10 ppb	P	< 50 ppb	≥ 50 ppb	P
All participants (> 5 years old, n = 1526)
Pain sensation	Yes	38 (5.0)	46 (6.0)	0.212	59 (4.7)	25 (9.0)	0.005**
Pain sensation	No	726	716	0.212	1189	253	0.005**
Vibration sensation	Yes	33 (4.3)	32 (4.2)	0.504	47 (3.8)	18 (6.5)	0.036*
Vibration sensation	No	731	730	0.504	1201	260	0.036*
Two-point discrimination	Yes	34 (4.5)	31 (4.1)	0.800	45 (3.6)	20 (7.2)	0.007**
Two-point discrimination	No	730	731	0.800	1203	258	0.007**
Children (5–15 years old, n = 133)
Pain sensation	Yes	3 (3.8)	2 (3.8)	0.664	3 (2.7)	2 (9.1)	0.191
Pain sensation	No	77	51	0.664	108	20	0.191
Vibration sensation	Yes	1 (1.3)	2 (3.8)	0.349	1 (0.9)	2 (9.1)	0.071
Vibration sensation	No	79	51	0.349	110	20	0.071
Two-point discrimination	Yes	2 (2.5)	0 (0)	0.360	2 (1.8)	0 (0)	0.695
Two-point discrimination	No	78	53	0.360	109	22	0.695

Numbers indicate the number of participants
Numbers in parentheses indicate the percentage of “yes” participants in each ACDW group
Statistical analyses were performed using the chi-square test. *P < 0.05, **P < 0.01, statistically significant difference
Yes = present; no = absent

ISSN: 1347-4715