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Table 3 Associations between prognostic factors and outcome

From: Clinical examination findings as prognostic factors in low back pain: a systematic review of the literature

Prognostic indicator at baseline

Association with poor outcome

Pain

Disability

Return to work

UHC 1

GI 2

Combination

Centralization

Positive

[25] a[55]a [67]a

[25] a[38]a[67]a

    

short-term

None

[67]

[55][37]

    

Centralization

Positive

[25] a

[25] a[67]a

[55]a

[67]a

  

long-term

None

[67][32−/−]

[67][55][32−/−]

[67][55][32−/−]

[67]

  

Peripheralization

Positive

[25] a

[25] a

    

short-term

None

 

[38]

    

Peripheralization

Positive

[25] a

[25] a

    

long-term

None

[32−/−]

[32−/−]

[32−/−]

   

Palpation tone, pain, symmetry

Positive

      

short-term

none

[54]

[37][54]

  

[72][68]

[45−/−]

Palpation tone, pain, symmetry

Positive

 

[48] b

    

long-term

none

[54]

[54]

[64]

[69]

  

Palpation mobility

Positive

 

[46+/+] a [37+/+] a

    

short-term

none

[36?/-]

[39][38][36?/-]

  

[36?/-]

 

ROM3 spine

Positive

     

[29] a

short-term

None

[47?/-]

[37][46][38]

[33] [47?/-]

 

[68][47?/-]

[29][33]

ROM3 spine

Positive

[35][28]

[48] b

[50+/+][62+/?] a

  

[29]

long-term

None

[63?/-]

[35][30] b[66]

[28][31][50] [62][66][64]

[69+/−]

 

[65][29]

FFD4

Positive

    

[72−/+] a

[45+/−]

short-term

None

[47?/-]

[44−/−]

[47?/-]

 

[47?/+][68][72]

 

FFD4

Positive

  

[49+/−]

   

long-term

None

[35]

[35][43−/−]

    

Schober’s test

Positive

[70+/−] b

     

long-term

None

[28]

 

[28]

[69]

  

Aberrant spinal movement

Positive

[46+/+] a

[33+/−]

    

short-term

None

     

[33]

ROM3 of the hip

Positive

 

[37 − +/+]

    

short-term

None

    

[68]

[29]

ROM3 of the hip

Positive

  

[62]b

  

[29]

long-term

None

[63−/−]

 

[31]

  

[29]

SI5 motion symmetry tests

Positive

      

short-term

None

 

[37]

    

Pain on spinal movement

Positive

    

[68]a

 

short-term

None

[54]

[54]

  

[68]

 

Pain on spinal movement

Positive

      

long-term

None

[54][56]

[54][56]

 

[56]

  

SI5 provocation tests

Positive

 

[40+/+]

    

short-term

None

 

[37][46][40]

    

SI5 provocation tests

Positive

      

long-term

None

[63?/-]

     

Prone instability test

Positive

 

[46+/+] a

    

short-term

None

      

Percussion

Positive

      

short-term

None

     

[65]

Percussion

Positive

      

long-term

None

     

[65]

Muscle endurance

Positive

      

short-term

None

[59]

[46]

    

Muscle endurance

Positive

[35][27]

 

[27]

   

long-term

None

[35][59][27]

[35][27][57]

[27][31]

 

[27]

 

Muscle strength

Positive

      

short-term

None

 

[46]

    

Muscle strength

Positive

[28]

[48] b

[28]

   

long-term

None

  

[31]

   

Neurological signs

Positive

[44]

[44+/+]

[63]

 

[72−/+][68]

[29]

short-term

None

[65][51][42]

 

[63]

 

[72]

[29]

Neurological signs

Positive

[43+/−][63?/+]

[43+/−][30] b

[58+/−]

  

[29]

long-term

None

[28][63?/-]

[43−/−]

[58][28][60][50][64]

[69]

 

[65][29]

SLR6

Positive

 

[46−/+][63]

[65+/−][63]

 

[72+/+][68]

[29]

short-term

None

[51]

 

[33]

 

[72][26]

[45−/−][29][33]

SLR6

Positive

 

[30] b[61]

 

[69+/−]

 

[29]

long-term

None

[28][35][56][70−/−][63?/-]

[56][66][35]

[58][28][60][66][64]

[56]

[26]

[65]

Cross SLR6

Positive

[34]

     

short-term

None

 

[38]

    

Cross SLR6

Positive

      

long-term

None

[63?/-]

     

Femoral stretch

Positive

    

[72+/+][68]

 

short-term

None

    

[72]

 

Femoral stretch

Positive

      

long-term

None

  

[58]

   

Naffziger sign

Positive

      

short-term

None

    

[72]

 

Non-organic signs

Positive

  

[73]

  

[29]

short-term

None

 

[37]

   

[29]

Non-organic signs

Positive

  

[52+/+][41+/?]

[41+/?]

  

long-term

None

 

[30] b

[53+/−][58+/−][71]

[41+/?]

 

[29]

Functional tests

Positive

      

short-term

None

    

[68]

 

Functional tests

Positive

     

[29][61]

long-term

None

[27]

[30] b[27]

[31][27][62]

 

[27]

[29]

Leg length discrepancy

Positive

     

[29]

short-term

None

     

[29]

Leg length discrepancy

Positive

      

long-term

None

  

[64]

   
  1. Bold indicates multivariable analysis, +/+ = result of univariate analysis/result of multivariable analysis, apredictor of recovery, bdirection of association unsure, 1UHC = use of health care services or medication, 2GI = general. improvement, 3ROM = range of motion, 4FFD = fingertip to floor distance, 5SI = sacroiliac, 6SLR = straight leg raise.