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. Author manuscript; available in PMC: 2009 Jan 16.
Published in final edited form as: Lancet Neurol. 2008 May;7(5):451–458. doi: 10.1016/S1474-4422(08)70088-7

Table 2.

Orthostatic Symptom Score. The patient is instructed to select appropriate answer.

  1. Frequency of Orthostatic Symptoms
    • 0 I never or rarely experience orthostatic symptoms when I stand up.
    • 1 I sometimes experience orthostatic symptoms when I stand up.
    • 2 I often experience orthostatic symptoms when I stand up.
    • 3 I usually experience orthostatic symptoms when I stand up.
    • 4 I always experience orthostatic symptoms when I stand up.
  2. Severity of Orthostatic Symptoms
    • 0 I do not experience orthostatic symptoms when I stand up.
    • 1 I experience mild orthostatic symptoms when I stand up.
    • 2 I experience moderate orthostatic symptoms when I stand up and sometimes have to sit back down for relief.
    • 3 I experience severe orthostatic symptoms when I stand up and frequently have to sit back down for relief.
    • 4 I experience severe orthostatic symptoms when I stand up and regularly faint if I do not sit back down.
  3. Conditions under which Orthostatic Symptoms Occur
    • 0 I never or rarely experience orthostatic symptoms under any circumstances.
    • 1 I sometimes experience orthostatic symptoms under certain conditions, such as prolonged standing, a meal, exertion (e.g., walking), or when exposed to heat (e.g., hot day, hot bath, hot shower).
    • 2 I often experience orthostatic symptoms under certain conditions, such as prolonged standing, a meal, exertion (e.g., walking), or when exposed to heat (e.g., hot day, hot bath, hot shower).
    • 3 I usually experience orthostatic symptoms under certain conditions, such as prolonged standing, a meal, exertion (e.g., walking), or when exposed to heat (e.g., hot day, hot bath, hot shower).
    • 4 I always experience orthostatic symptoms when I stand up; the specific conditions do not matter.
  4. Activities of Daily Living
    • 0 My orthostatic symptoms do not interfere with activities of daily living (e.g., work, chores, dressing, bathing).
    • 1 My orthostatic symptoms mildly interfere with activities of daily living (e.g., work, chores, dressing, bathing).
    • 2 My orthostatic symptoms moderately interfere with activities of daily living (e.g., work, chores, dressing, bathing).
    • 3 My orthostatic symptoms severely interfere with activities of daily living (e.g., work, chores, dressing, bathing).
    • 4 My orthostatic symptoms severely interfere with activities of daily living (e.g., work, chores, dressing, bathing). I am bed or wheelchair bound because of my symptoms.
  5. Standing Time
    • 0 On most occasions, I can stand as long as necessary without experiencing orthostatic symptoms.
    • 1 On most occasions, I can stand more than 15 minutes before experiencing orthostatic symptoms.
    • 2 On most occasions, I can stand 5-14 minutes before experiencing orthostatic symptoms.
    • 3 On most occasions, I can stand 1-4 minutes before experiencing orthostatic symptoms.
    • 4 On most occasions, I can stand less than 1 minute before experiencing orthostatic symptoms.