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Table 1 Demographic data of PD patients with olfactory dysfunction and PD patients without olfactory dysfunction

From: Association between autonomic dysfunction and olfactory dysfunction in Parkinson’s disease in southern Chinese

  PD patients with olfactory dysfunction PD patients without olfactory dysfunction p value
(N = 56) (N = 44)
Age, mean (SD) 68.29 (7.64) 67.09 (8.35) 0.463
Gender, female, N (%) 29 (51.79) 19 (43.18) 0.393
Body mass index, mean (SD) 22.19 (2.11) 22.42 (2.46) 0.631
Duration, mean (SD) 7.86 (4.40) 6.86 (5.29) 0.319
Hoehn – Yahr Staging, N (%)
 1.0 9 (16.07) 14 (31.82) 0.242
 1.5 7 (12.50) 7 (15.91)
 2.0 18 (32.14) 11 (25.00)
 2.5 13 (23.21) 5 (11.36)
 3.0 5 (8.93) 6 (13.64)
 4.0 4 (7.14) 1 (2.27)
 5.0 0 (0) 0 (0)
SS-16, mean (SD) 2.54 (1.56) 11.93 (1.11) < 0.001
HARS, mean (SD) 1.55 (1.04) 1.39 (1.24) 0.476
HDRS, mean (SD) 1.52 (1.19) 1.32 (1.20) 0.409
SCOPA – AUT, mean (SD)* 14.73 (9.05) 9.75 (7.37) 0.008
 Gastrointestinal symptoms* 5.00 (4.11) 3.07 (3.00) 0.024
 Urinary symptoms* 5.38 (4.49) 2.89 (3.80) 0.008
 Cardiovascular symptoms* 0.70 (1.11) 0.32 (0.86) 0.076
 Skin symptoms* 2.70 (2.48) 2.66 (2.81) 0.793
 Sexual symptoms* 0.50 (1.54) 0.55 (1.45) 0.804
 Drug usage* 0.46 (0.66) 0.50 (1.68) 0.783
  1. HARS Hamilton Anxiety Rating Scale, HDRS Hamilton Depression Rating Scale, PD Parkinson’s Disease, SD Standard Deviation, SCOPA-AUT Scales for Outcomes in Parkinson’s Disease-Autonomic questionnaire
  2. * adjusted age, gender, disease duration and Hoehn-Yahr staging