Table 6.

Pairwise comparison of the WBC results between the urine dipstick reagent and sediment analysis

	Leukocyte esterase‐dipstick	WBC‐sediment (counts/HPF)						r
		<1	1‐4	5‐9	10‐29	≥30	Sum
Vit C + (total)	Negative	696	264	55	26	10	1051	.661a
	Trace	41	70	39	14	3	167
	1+	4	33	41	35	16	129
	2+	1	7	10	30	41	89
	3+	0	3	0	16	52	71
Vit C 1+	Negative	179	84	21	12	7	303	.595a
	Trace	17	25	15	7	0	64
	1+	0	8	11	9	4	32
	2+	1	2	4	8	11	26
	3+	0	2	0	5	19	26
Vit C 2+	Negative	426	138	31	9	2	606	.713a
	Trace	16	31	19	7	3	76
	1+	3	20	23	23	11	80
	2+	0	4	6	17	29	56
	3+	0	0	0	9	27	36
Vit C 3+	Negative	91	42	3	5	1	142	.578a
	Trace	8	14	5	0	0	27
	1+	1	5	7	3	1	17
	2+	0	1	0	5	1	7
	3+	0	1	0	2	6	9

WBC, white blood cell; HPF, high‐power field.

Number of cases [] within one‐grade difference and [] with the same grade.

r, Spearman's correlation coefficient.

^a P<.01.