Table I. Section attributes from proximal to distal.

Segment no.	No. of sites or hpf/section	Perimeter (mm)*	Equivalent diameter (cm)*	Sites ≥15 eosinophils/hpf	Sites ≥15 eosinophils/hpf†	Sites ≥20 eosinophils/hpf	Sites ≥20 eosinophils/hpf†
3B	46	24.8	0.79	3	6.5%	3	6.5%
3B	48	25.9	0.83	6	12.5%	5	10.4%
3C	69	37.3	1.19	5	7.2%	3	4.3%
3C	65	35.1	1.12	4	6.2%	3	4.6%
3D	66	35.6	1.13	5	7.6%	1	1.5%
3D	64	34.6	1.10	4	6.3%	2	3.1%
3E	116	62.6	1.99	15	12.9%	8	6.9%
3E	117	63.2	2.01	6	5.1%	5	4.3%
2Y	55	29.7	0.95	13	23.6%	7	12.7%
2Y	56	30.2	0.96	17	30.4%	8	14.3%
2X	98	52.9	1.68	37	37.8%	25	25.5%
2X	95	51.3	1.63	40	42.1%	26	27.4%
2W	56	30.2	0.96	33	58.9%	24	42.9%
2W	61	32.9	1.05	38	62.3%	32	52.5%
2U	69	37.3	1.19	60	87.0%	55	79.7%
2U	68	36.7	1.17	59	86.8%	53	77.9%
2T	66	35.6	1.13	38	57.6%	29	43.9%
Total	1215			383	31.5%	289	23.8%

^*Perimeter = Number of sites × field of view (0.54 mm); equivalent diameter = perimeter/π.

^†Fifteen eosinophils/hpf = 65 eosinophils/mm²; 20 eosinophils/hpf = 87 eosinophils/mm².