Table 6

 Verbal memory impairment as defined by the combined RAVLT trial V and recognition scores

Memory pattern groupnTrial VRecognitionDelayed recallPbB (μg/dl)TWA (μg/dl)IBL (μg-y/dl)
Results expressed as mean (SD).
Group I12512.6 (1.41)13.9 (1.08)10.5 (2.34)26.6 (9.24)35.4 (12.94)589.5 (431.44)
“No impairment”
Group II578.9 (1.14)13.2 (1.02)7.4 (2.13)29.1 (8.67)41.2 (11.09)813.1 (409.68)
“Retrieval difficulties”
Group III568.0 (1.54)9.2 (1.90)6.8 (2.88)28.5 (8.16)44.1 (9.88)935.1 (368.36)
“Generalised memory impairment”