Drug Use Survey (DUS) of Triple Therapy (Methycobal (MBL)+ Myonal (MYO)+ Non-steroidal Anti-inflammatory Drags (NSAID)) on the Symptom Relief of Lumbar DDD in China

Onset Time of Symptom Relief.

Kaplan-Meier Estimates for the Average Onset Time of Symptom Relief. In this case the onset time of symptom relief was defined as the days between the end of triple therapy and the symptom improvement reported by patients.

Time frame: 2 weeks

Safety Data During Triple Therapy.

Percentage of participants with reported Adverse Events (AE) and Serious Adverse Event (SAE)

Time frame: 2 weeks

Japanese Orthopedic Association (JOA) Score

Each patient is Scored on JOA at baseline and two weeks. JOA is short for Japanese Orthopedic Association, which consists of 12 items: low back pain, lower extremity pain and numbness, walking ability, straight leg raising, muscle strength, sensory and etc. The first 3 item's scores are range from 0 to 3 and the others are from 0 to 2. Higher score means better condition. All of these items scores are combined for a total overall JOA score, which is range from 0 to 27.

Time frame: Baseline and 2 weeks

Visual Analogue Scale (VAS) Score

Each patient is Scored on VAS at baseline and two weeks. VAS is the abbreviation of visual analogue score. There is no subscale in VAS. The maximum value of vas is 10 and the minimum is 0. This is self-evaluation method to present the severity of patient pain. More score number, more pain.

Time frame: Baseline and 2 weeks