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Table 3 Clinical data of IPD patients grouped according to SN size in TCS

From: Transcranial sonography for diagnosis of Parkinson's disease

Data Whole IPD group* (n = 183) IPD patients SN <= 0.2 cm2* (n = 9) IPD patients SN>0.2 cm2* (n = 174) p-value (Mann-Whitney-Test)
Age, y 66 (62;71) 69 (67;75) 66 (62;71) 0.18
Age at disease onset, y 61 (54;66) 67 (59;74) 60 (54;66) 0.13
Disease duration, months 78 (48;120) 60 (36;96) 81 (48;120) 0.23
Duration since L-Dopa start, y 5 (3; 8) 3 (1,5;2,2) 5 (3;8) 0.37
L-Dopa equivalent dose, mg 560 (310;679) 519 (306;628) 558 (310;679) 0.83
Hoehn&Yahr score 2.5 (2.5;3) 2.5 (2.5;2.5) 2.5 (2.5;3) 0.88
UPDRS III score 26 (17;34) 27 (20;31) 25 (17;34) 0.28
Pegboard test score 16 (12;20) 13 (13;14) 16 (12;20) 0.03
Webster gait test 13 (10;15) 13 (13;18) 12 (11;15) 0.37
  1. *Data are given as median with lower and upper quartile (25th and 75th percentile respectively). y (years)