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Table 1 Patient characteristics at randomisation

From: Lee Silverman Voice Treatment versus standard speech and language therapy versus control in Parkinson’s disease: a pilot randomised controlled trial (PD COMM pilot)

   LSVT SLT Control
Number of patients randomised 30 30 29
Age (years) Mean (SD) 67 (8.4) 68 (10.3) 65 (7.5)
Gender Male (N, %) 23 (77%) 23 (77%) 23 (79%)
Body Mass Index (kg/m2) Mean (SD) 27.4 (4.3) 27.6 (4.8) 27.3 (4.2)
Duration of PD (years) Mean (SD) 6.1 (3.7) 5.6 (4.2) 4.9 (3.4)
Hoehn and Yahr stage ≤ 2.0 20 (67%) 16 (55%) 20 (77%)
  2.5 5 (17%) 2 (7%) 5 (19%)
  3.0 4 (13%) 9 (31%) 1 (4%)
  ≥ 4.0 1 (3%) 2 (7%) 0 (−)
Levodopa equivalent dose (mg/day)a Mean (SD) 695 (466.4) 533 (328.5) 502 (451.6)
  1. aLevodopa equivalency formula from reference [33]