Table 3:

Descriptive statistics of orbital lesion ADC across the largest source datasets (ADC in units of 10⁻³ mm²/s)

	All Lesions (n = 183)	Sepahdari et al¹³ (n = 50)	Politi et al¹⁷ (n = 90)	Razek et al¹⁶ (n = 43)
Benign lesion ADC (mean, 95% CI)	1.42 ± 0.41 (1.34–1.51)	1.36 ± 0.41 (1.22–1.51)	1.39 ± 0.42 (1.25–1.54)	1.53 ± 0.35 (1.37–1.67)
Malignant lesion ADC (mean, 95% CI)	0.90 ± 0.37 (0.83–0.98)	1.02 ± 0.42 (0.80–1.24)	0.88 ± 0.36 (0.79–0.98)	0.80 ± 0.34 (0.65–0.95)
Lymphoma ADC (mean, 95% CI)	0.67 ± 0.09 (0.64–0.69)	0.69 ± 0.16 (0.58–0.86)^a	0.67 ± 0.07 (0.60–0.75)	0.67 ± 0.07 (0.60–0.73)^a
Inflammatory lesion ADC (mean, 95% CI)	1.40 ± 0.31 (1.30–1.50)	1.42 ± 0.37 (1.24–1.60)	1.45 ± 0.26 (1.29–1.60)	1.24 ± 0.13 (1.18–1.33)^a
Area under ROC curve (95% CI)	0.84 (0.79–0.90)	0.74 (0.58–0.89)	0.86 (0.79–0.94)	0.95 (0.87–1.0)

↵a The 25th-75th percentile range was reported due to a sample size too small to assume normal distribution.