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Table 4 Spearman rank correlation coefficients for OA study populationa

From: The role of synovial fluid markers of catabolism and anabolism in osteoarthritis, rheumatoid arthritis and asymptomatic organ donors

  IL-1 IL-6 IL-8 IL-11 LIF Osteocalcin COMP OP-1
IL-1 1.0000        
IL-6 ρ = -0.3386
P = 0.186
1.0000       
IL-8 ρ = 0.6233
P = 0.001
ρ = -0.3709
P = 0.0095
1.0000      
IL-11 ρ = -0.2312
P = 0.1136
ρ = 0.5384
P = 0.0001
ρ = -0.2365
P = 0.1056
1.0000     
LIF ρ = -0.5241
P = 0.0001
ρ = 0.7165
P = 0.001
ρ = -0.4012
P = 0.0047
ρ = 0.4352
P = 0.0020
1.0000    
Osteocalcin ρ = -0.3432
P = 0.0169
ρ = 0.4538
P = 0.0012
ρ = -0.4456
P = 0.0015
ρ = 0.3094
P = 0.0324
ρ = 0.5043
P = 0.0003
1.0000   
COMP ρ = 0.0807
P = 0.5856
ρ = 0.0294
P = 0.8427
ρ = -0.1522
P = 0.3018
ρ = 0.1623
P = 0.2704
ρ = -0.0854
P = 0.5639
ρ = 0.1526
P = 0.3004
1.0000  
OP-1 ρ = 0.1038
P = 0.4828
ρ = 0.0730
P = 0.6222
ρ = -0.0529
P = 0.7211
ρ = 0.2028
P = 0.1669
ρ = 0.1003
P = 0.4975
ρ = 0.2084
P = 0.1552
ρ = 0.1193
P = 0.4193
1.000
  1. a OA, osteoarthritis; IL, interleukin; LIF, leukemia-inhibitory factor; COMP, cartilage oligomeric protein; OP-1, osteogenic protein 1. Spearman's rank correlation coefficients (IL-1, IL-6, IL-8, IL-11, LIF, osteocalcin, COMP and OP-1) for the OA cohort are expressed as Spearman's ρ and P values. A total of 45 OA patients were sampled, six male and thirty-nine female.