Table 1 Criteria for the JOA scoring system
From: Endoscopic decompression for intraforaminal and extraforaminal nerve root compression
Subjective symptoms (9 points) | |
|---|---|
low-back pain | |
none | 3 |
occasionally mild | 2 |
always present of sometimes sever | 1 |
always sever | 0 |
leg pain &/or numbness | |
none | 3 |
occasionally mild | 2 |
always present or sometimes sever | 1 |
always sever | 0 |
walking ability | |
normal walking | 3 |
able to walk > 500 m, pain/numbness/weakness present | 2 |
unable to walk 500 m due to pain/numbness/weakness | 1 |
unable to walk 100 m due to pain/numbness/weakness | 0 |
objective finding (6 points) | |
straight leg raising | |
normal | 2 |
30-70 degree | 1 |
< 30 degree | 0 |
sensory function | |
normal | 2 |
mild sensory disturbance | 1 |
apparent sensory disturbance | 0 |
motor function | |
normal (MMT normal) | 2 |
slight decrease muscle strength (MMT good) | 1 |
marked weakness (Grade 3-0) | 0 |
restriction of ADLs (14 points) † | |
none | 2 |
moderate | 1 |
severe | 0 |
bladder function (-6 points) | |
normal | 0 |
mild dysuria | -3 |
severe dysuria | -6 |
total score | 29 |