Table 1.

Difference in outcome

	No Modic changes (N = 85) %	Modic I (N = 83) %	Modic II (N = 58) %	Modic positive (Modic I and II) (N = 141) %	P value
Improved 1 Day	33.7 %	39.8 %	32.8 %	36.9 %	0.64
Improved 1 Week	41.5 %	40.2 %	37.5 %	39.1 %	0.37
Improved 1 Month	45.2 %	34.2 %	32.1 %	33.3 %	0.23
Worse 1 Day	10.8 %	9.6 %	5.1 %	7.7 %	0.44
Worse 1 Week	14.3 %	13.4 %	10.8 %	12.2 %	0.67
Worse 1 Month	17.0 %	14.0 %	16.1 %	14.8 %	0.66

Comparison of the proportion of patients with and without Modic changes reporting clinically relevant “improvement” or “worsening” at 1 day, 1 week and 1 month