Lumbar Radiofrequency Rhizotomy in Patients with Chronic Low Back Pain Increases the Diagnosis of Sacroiliac Joint Dysfunction in Subsequent Follow-Up Visits

Table 1

Chi-square tests. Chi-square tests were computed for a 2 × 2 table; 0% of the cells had an expected count less than 5. Minimum expected count was 22.

Measure	Value	df	Asymptomatic significance (2-sided)
Pearson’s chi-square	27.435	1	<0.001
Continuity correlation	25.365	1	<0.001
Likelihood ratio	28.960	1	<0.001
Linear by linear association	27.161	1	<0.001