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Table 1 The variables comparison before and after PSM

From: Conventional craniotomy versus conservative treatment in patients with minor spontaneous intracerebral hemorrhage in the basal ganglia

  Before matching (n=87) After matching (n=54)
Surgery group (n=45) Conservative treatment (n=41) SMD P value Surgery group (n=27) Conservative treatment (n=27) SMD P value
Age 52.6 (8.34) 56.83 (9.66) 0.469 0.032 54.9 (9.60) 54.9 (8.64) 0.004 0.988
GCS 9.38 (2.73) 11.34 (2.55) 0.744 0.001 10.3 (2.48) 10.6 (2.45) 0.120 0.661
Midline shift 6.81 (2.33) 5.59 (1.92) 0.572 0.010 5.9 (2.06) 5.8 (1.75) 0.031 0.91
Volume 30.03 (3.14) 29.74 (4.26) 0.077 0.722 29.9 (3.07) 30.2 (4.46) 0.073 0.790
  1. PSM, Propensity score match, SMD Standardized mean difference, GCS, Glasgow Coma Score