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Table 6 Discriminant parameters for thumb interphalangeal joint region classification

From: Functional-thermoregulatory model for the differential diagnosis of psoriatic arthritis

Model equation Parameter β Standard error SE Wald DF sig Exp(β)
PsA-HCs Intercept -1.7 1 -1.6 1 0.1 0.17
  L -0.7 0.6 -1.2 1 0.2 0.46
  a 5.5 5 1 1 0.2 24.9
  d 2.3 3.5 0.6 1 0.5 10.6
  k 12 4.7 2.5 1 0.01* 100000
  1. *means statistically significant.