Table 1:

Unadjusted associations among predictor variables, surgical management of intracranial pressure, and decompressive craniectomy

Variables	Unadjusted Odds Ratios (95% CI) (Surgical Management)	P Value	Unadjusted Odds Ratios (95% CI) (Craniectomy)	P Value
Age (yr)	0.96 (0.93–0.98)	.004^{^a}	0.94 (0.88–0.99)	.04^{^a}
Sex, men vs women	0.94 (0.27–3.2)	.92^{^b}	0.35 (0.07–1.77)	.34^{^c}
P-GCS	0.63 (0.5, 0.8)	<.001^{^a}	0.78 (0.6–1)	.05
Motor score	0.43 (0.25–0.76)	.003^{^a}	0.7 (0.44–1.14)	.15
Systolic BP (mm Hg)	0.99 (0.97–1)	.15	1.01 (0.98,1.04)	.46
Diastolic BP (mm Hg)	0.99 (0.97–1.03)	.84	1 (0.96–1.05)	.72
PT (seconds)	0.98 (0.84–1.14)	.78	0.93 (0.67–1.3)	.64
aPTT (seconds)	1.03 (0.92–1.15)	.57	1 (0.85–1.18)	.93
Fibrinogen (mg/dL)	0.98 (0.97–0.99)	.002^{^a}	0.99 (0.98–1)	.06
Platelets (10³/μL)	1 (0.99–1.01)	.81	1 (0.99–1.01)	.4
Marshall CT score
DI II	1		3.46 (0.55–21.9)	.2^{^c}
DI III and 1V	4.27 (0.9–20)	.06^{^c}
Hemorrhagic progression	1.12 (0.35–3.54)	.85^{^b}	2.84 (0.32–25.4)	.31^{^c}
Fraction of hemorrhagic progression	1.02 (0.96–1.11)	.49	1 (0.91–1.1)	.88
Iodine concentration (mg/mL)	44 (3.03–641)	.005^{^a}	16 (0.58–442)	.1
Hematoma volume on admission CT (cm³)	1.05 (0.97–1.13)	.21	1.04 (0.95–1.14)	.4
Hematoma volume on follow-up CT (cm³)	1.06 (1–1.12)	.04^{^a}	1.04 (0.99–1.1)	.1
Total pseudohematoma from all contusions (cm³)	1.32 (1.06–1.64)	.01^{^a}	1.1 (0.99–1.23)	.06
Fractional pseudohematoma to true hematoma	2.66 (0.6–11.8)	.19	2.43 (0.3–18.9)	.39
Iodine quantity in all pseudohematomas (mg)	1.48 (1.04–2.11)	.03^{^a}	1.04 (0.96–1.13)	.3
Iodine quantity in all contusions (mg)	1.1 (1.01–1.21)	.02^{^a}	1.03 (0.98–1.08)	.15

Note—BP indicates blood pressure; DI, diffuse injury; PT, prothrombin time; aPTT, activated partial thromboplastin time.
↵a Significant.
↵b Pearson.
↵c Fisher exact test.