Traeger et al reported teh PICKUP model for perdicting the prognosis for a patient with acute acute low back pain. The authors are from multiple institutions in Australia and Germany.
Patient selection: acute low back pain
Parameters:
(1) low back pain during past week (from 1 to 6)
(2) leg pain
(3) compensation
(4) depression, from 0 to 10
(5) risk that pain may be persistent, from 0 to 10
Parameter
Finding
Points
low back pain
none
0.21
very mild
0.42
mild
0.63
moderate
0.84
severe
1.05
very severe
1.26
leg pain
none
0
yes
0.44
compensation
no
0
yes
0.50
depression
from 0 to 10
0.06 * (depression)
risk persistent
from 0 to 10
0.13 * (risk)
value of X =
= SUM(points for all 5 parameters) - 2.82
scoreCLBP =
= (0.89 * X) - 0.55
probability chronic low back pain =
= 1 / (1 + EXP((-1) * (score CLBP)))
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