Clinical and pathological correlates of severity classifications in trigger fingers based on computer-aided image analysis

Table 1 Mean Abn-SR and Abn-NR in pathological grades and in Froimson’s clinical severity classification respectively

	Pathological grade			Froimson’s clinical severity classification
	L grade	M grade	H grade	Grade II	Grade III	Grade IV
Abn-SR	0.14 ± 0.03	0.20 ± 0.01	0.26 ± 0.01	0.16 ± 0.05	0.20 ± 0.03	0.26 ± 0.01
Abn-NR	0.57 ± 0.07	0.64 ± 0.04	0.74 ± 0.05	0.59 ± 0.07	0.65 ± 0.04	0.74 ± 0.06

Abbreviations: Abn-SR ratio of abnormal region, Abn-NR ratio of abnormal nuclei.

ISSN: 1475-925X