Table 4.

Distribution of Kobayashi, Egami, and Sano Risk Scores by IVIG Retreatment Status in Subjects who did not Receive Steroid Therapy

	All	IVIG-Retreated	Not IVIG- Retreated	p-value*
N	62	9	53
Kobayashi Score†	1.7±1.6	2.4±1.9	1.5±1.6	0.14
Median score (IQR)	1.0 (0, 3.0)	2.0 (1.0, 4.0)	1.0 (0, 3.0)
Kobayashi Score				0.40, 0.12
0	29%	11% (1)	32% (17)
1	31%	33% (3)	30% (16)
2	11%	11% (1)	11% (6)
3	13%	11% (1)	13% (7)
4	8%	11% (1)	8% (4)
5	7%	22% (2)	4% (2)
6	2%	0.0%	2% (1)
Low Risk (0–3)	84%	67%	87% (specificity)
High Risk (≥ 4)	16%	33% (sensitivity)	13%
N	78	12	66
Egami Score†	1.3±1.3	2.1±1.2	1.1±1.3	0.01
Median score (IQR)	1.0 (0, 2.0)	2.0 (1.5, 3.0)	1.0 (0, 1.0)
Egami Score				0.01, 0.02
0	35%	17% (2)	38% (25)
1	33%	8% (1)	38% (25)
2	13%	33% (4)	9% (6)
3	13%	33% (4)	9% (16)
4	4%	8% (1)	3% (2)
5	3%	0%	3% (2)
Low Risk (0–2)	81%	58%	85% (specificity)
High Risk (≥ 3)	19%	42% (sensitivity)	15%
N	56	10	46
Sano Score†	0.9±0.8	1.5±0.7	0.8±0.8	0.03
Median score (IQR)	1.0 (0, 1.0)	1.0 (1.0, 2.0)	1.0 (0, 1.0)
Sano Score				0.03, 0.01
0	32%	0%	39% (18)
1	48%	60% (6)	46% (21)
2	16%	30% (4)	13% (6)
3	4%	10% (1)	2% (1)
Low Risk (0–1)	80%	60%	85% (specificity)
High Risk (2–3)	20%	40% (sensitivity)	15%

^*Wilcoxon rank sum test p-value for continuous score; Exact test and Mantel-Haenszel test for linear trend p-value for categorical distribution

^†Mean±standard deviation

IQR = Interquartile range