Table 2

Clinical and cognitive comparisons of early hallucinators and non-hallucinators

Early hallucinators (n=13)Early non-hallucinators (n=54)Statistic
Mean (SD) Mean (SD) t Value
 Age at onset (y)62.3 (8.8)59.3 (11.0)0.94
 NART IQ108.6 (7.5)111.7 (8.8) (n=53)1.17
 Dose levodopa (mg)457 (289) (n=7)433 (198) (n=24)0.25
 Dose DA agonist (mg)2.22 (2.79) (n=8)2.32 (1.62) (n=9)0.09
 Number of drugs1.33 (0.49) (n=12)0.86 (0.60) (n=52)2.532-150
 UPDRS ADL18.1 (10.3)11.4 (8.0)2.55
 UPDRS motor29.8 (10.8)22.4 (12.7)1.94
 AFT right83.2 (45.8) (n=11)71.7 (25.7) (n=49)0.80
 AFT left63.3 (30.1) (n=11)71.8 (26.2) (n=50)0.95
 BDI13.4 (7.7)9.9 (7.6)1.50
 BDS5.3 (4.8)2.1 (2.8)2.30
 LF9.4 (5.0)10.9 (4.8)0.96
 DO47.4 (24.8)61.9 (23.6)1.98
 PR18.5 (3.4)19.6 (3.1)1.10
 SR13.4 (2.5)14.2 (2.6)0.97
 SS6.5 (3.2)8.1 (1.8)1.82
 SWM level 6 between errors16.8 (9.8)14.0 (8.8)1.01
 SWM level 8 between errors34.6 (15.1) (n=12)30.1 (13.4)1.04
 Duration IPD at falls (y)0.88 (0.7) (n=6)1.17 (1.14) (n=13)0.58
 Duration IPD at fluctuation (y)0.29 (0.76) (n=7)1.27 (1.28) (n=12)2.112-150
 Duration IPD at dyskinesia (y)0.67 (0.76) (n=3)2.15 (1.75) (n=5)1.36
No (%) No (%) χ2 Value
 Sex6 female29 female0.032
 Loss of balance8 (61.5)25 (46.3)0.46
 Tendency to fall6 (46.2)13 (24.1)1.545
 Fluctuations8 (61.5)13 (24.1)5.204 2-150
 Dyskinesiae 4 (30.8)5 (9.3)3.004
 Levodopa8 (53.3) (n=15)24 (47.1) (n=51)0.166
 Pergolide6 (40.0) (n=15)7 (13.7) (n=51)5.078 2-150
 Bromocriptine0 (n=15)2 (3.8) (n=53)
 DA agonist6 (40.0) (n=15)9 (17.6) (n=51)3.295
 Anticholinergics1 (7.7)0
 Selegiline3 (23.1)8 (15.1) (n=53)0.077
 Apomorphine00
 Untreated013 (24.5) (n=53)3.101
  • 2-150 P<0.05; P<0.10, approaching significance.