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Table 4 Correlation of limitation of spinal mobility by modified Schober's method (2 tailed Spearman's correlation coefficient)

From: Outcome in patients with enthesitis related arthritis (ERA): juvenile arthritis damage index (JADI) and functional status

Parameter Correlation coefficient (rS)
Physician's global assessment 0.520**
Hip joint damage 0.437**
Knee joint damage 0.228
Ankle joint damage 0.150
JADI-A 0.334*
HAQ-S 0.701**
ESR 0.478**
Parent's/patient's global assessment 0.476**
JADI-E -0.035
Active joint count 0.304*
Duration of disease 0.095
Loss of education 0.179
  1. *p < 0.05; ** p < 0.01