Table 2. Multivariate analysis of CMB... | American Society of Hematology

Table 2.

Multivariate analysis of CMB presence and clinical characteristics of patients with ITP

Characteristic	Univariate Poisson analysis		Multivariate Poisson analysis
Characteristic	Incidence rate ratio	P	Incidence rate ratio	P
Disease duration, each additional month	1.00 (1.00, 1.01)	2.06 × 10⁻⁵***	1.01 (1.00, 1.01)	7.11 × 10⁻⁶***
Platelet count, at time of MRI	0.992 (0.988, 0.996)	2.71 × 10⁻⁴***	0.994 (0.989, 1.00)	.029*
Platelet count, low point	0.879 (0.824, 0.939)	1.28 × 10⁻⁴***	0.867 (0.786, 0.957)	.005**
Number of treatments, each additional treatment	1.10 (1.03, 1.16)	.003**	0.928 (0.831, 1.04)	.187
SMOG (≥2), organ†	3.27 (1.86, 5.76)	4.10 × 10⁻⁵***	2.32 (1.10, 4.90)	.028*
SMOG (≥2), mucosal†	2.40 (1.29, 4.48)	.006**	1.09 (0.444, 2.65)	.857
SMOG (≥2), skin†	0.837 (0.469, 1.49)	.547	Not included	—
Age, each additional year	0.995 (0.980, 1.01)	.534	1.01 (0.990, 1.03)	.350
Sex, male	1.63 (1.02, 2.60)	.042*	0.786 (0.382, 1.62)	.513

Characteristic	Univariate Poisson analysis		Multivariate Poisson analysis
Characteristic	Incidence rate ratio	P	Incidence rate ratio	P
Disease duration, each additional month	1.00 (1.00, 1.01)	2.06 × 10⁻⁵***	1.01 (1.00, 1.01)	7.11 × 10⁻⁶***
Platelet count, at time of MRI	0.992 (0.988, 0.996)	2.71 × 10⁻⁴***	0.994 (0.989, 1.00)	.029*
Platelet count, low point	0.879 (0.824, 0.939)	1.28 × 10⁻⁴***	0.867 (0.786, 0.957)	.005**
Number of treatments, each additional treatment	1.10 (1.03, 1.16)	.003**	0.928 (0.831, 1.04)	.187
SMOG (≥2), organ†	3.27 (1.86, 5.76)	4.10 × 10⁻⁵***	2.32 (1.10, 4.90)	.028*
SMOG (≥2), mucosal†	2.40 (1.29, 4.48)	.006**	1.09 (0.444, 2.65)	.857
SMOG (≥2), skin†	0.837 (0.469, 1.49)	.547	Not included	—
Age, each additional year	0.995 (0.980, 1.01)	.534	1.01 (0.990, 1.03)	.350
Sex, male	1.63 (1.02, 2.60)	.042*	0.786 (0.382, 1.62)	.513

Significant at an α level of .001.

Significant at an α level of .01.

Significant at an α level of .05.

Bleeding score were factored into 2 groups: a score of 0 or 1 or a score of 2 or greater. Scores were not available for 8 patients.