Table 1.

Comparison of positive- and negative-TABs (pre- and post-retrieval)

Parameter	Negative-TAB ( N = 95)		Positive-TAB ( N = 8) (original)	P -value (between positive-TABs and pre-retrieval negative-TABs)
	Pre-retrieval (original)	Post-retrieval
Mean biopsy length (mm)	15.39 $\pm$ 7.56	N/A	16.70 $\pm$ 8.48	P = 0.142
Mean number of slides/specimen	3.24 $\pm$ 0.74	2.83 $\pm$ 0.96	3.25 $\pm$ 0.82	N/A
Mean number of cross-sections/slide	2.93 $\pm$ 0.26	2.84 $\pm$ 0.39	2.87 $\pm$ 0.36	N/A
Mean number of cross-sections/specimen	9.53 $\pm$ 2.46	8.12 $\pm$ 3.09	9.25 $\pm$ 3.37	P = 0.990*
Mean number of cross-sections/mm biopsy length	0.72 $\pm$ 0.29	N/A	0.55 $\pm$ 0.46	N/A
Mean number of total pre- and post-retrieval cross-sections/specimen	17.66 $\pm$ 4.43		N/A	N/A
*Comparisons of positive-TABs and pre-retrieval negative-TABs N/A, not applicable; TAB, temporal artery biopsy