Occupational long term exposure | Non-reversing sequelae of OP poisoning | |||||
---|---|---|---|---|---|---|
Neurobehavioural tests | Present study (2001) (n=52) | Stephens et al (1995) (n=146) | Korsak and Sato (1977) (n=32) | Steenland et al (1994) (n=128) | Rosenstock et al (1991) (n=36) | Savage et al (1988) (n=100) |
⇓=worse performance. | ||||||
*p<0.05. | ||||||
nd, no data; test not administered. | ||||||
Verbal abstraction | ||||||
Similarities | ⇓* | nd | nd | nd | nd | ⇓* |
Visuomotor speed | ||||||
Digit Symbol | ⇓* | ⇓* | nd | ⇓* | ⇓* | ⇓* |
Trailmaking B | ⇓* | nd | ⇓* | nd | nd | ⇓* |
Trailmaking A | ⇓* | nd | nd | nd | ⇓* | nd |
Problem solving | ||||||
Block Design | ⇓* | nd | nd | nd | ⇓* | ⇓ |
Attention | ||||||
PASAT | ⇓ | nd | nd | nd | nd | nd |
Letter Cancel | ⇓* | nd | nd | nd | nd | nd |
Memory | ||||||
Digit Span | ⇓* | nd | nd | nd | ⇓* | ⇓* |
BVRT | ⇓* | nd | nd | nd | ⇓* | nd |
Story Recall A | ⇓ | nd | nd | nd | nd | nd |
Story Recall B | ⇓ | nd | nd | nd | nd | nd |