Table 4.

Assignment table

Factors	Dichotomization
Age (years)	< 40 = 0, 40-50 = 1, > 50 = 2
Time from onset to admission	< 12 h = 1, ≥ 12 h = 0
Duration of hypertension (years)	< 5 = 0, 5-10 = 1, > 10 = 2
Treatment plan	Observation group = 0, Control group = 1
Surgical time (min)	≤ 56 = 0, > 56 = 1
First hematoma clearance rate (%)	≤ 56.14 = 0, > 56.14 = 1
Hospitalization time (d)	≤ 20.5 = 0, > 20.5 = 1
After treatment Barthel Index	≤ 56.5 = 0, > 56.5 = 1
After treatment CRP (mg/L)	≤ 13.45 = 0, > 13.45 = 1
After treatment IL-6 (ng/mL)	≤ 40.85 = 0, > 40.85 = 1
Prognosis	Improved = 0, Poor = 1

Note: CRP, C-reactive protein; IL-6, interleukin-6.