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Table 3 RVE pooled c statistics and subgroup comparisons using metaregression

From: Prognostic models for intracerebral hemorrhage: systematic review and meta-analysis

Prognostic tools Nr studies Nr tools Pooled c-stat 95%CI I2 ß 95%CI p
Lower Upper Lower Upper
Overall 40 53 0·878 0·864 0·891 79%
Mortality prediction tools 30 38 0·880 0·865 0·894 80% -0·007a -0·039a 0·026a 0·679
Functional outcome prediction tools 13 15 0·872 0·842 0·901 77%
Logistic regression based tools 37 43 0·874 0·858 0·889 76% 0·018b -0·034b 0·070b 0·490
Machine learning algorithms 6 9 0·898 0·821 0·976 88%
  1. amortality prediction tools as reference group
  2. blogistic regression based tools as reference group