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Table 3 Substance use pattern in HR and HV individuals

From: Substance use in people at clinical high-risk for psychosis

Current   Past  
  HR(n) % HV(n) % p value* HR(n) % HV(n) % p-value*
No 31 52 7 12 <0.001 25 42 19 32 0.343
Mono-drug 19 32 35 58 0.006 12 20 24 40 0.028
Poly-drug 10 17 18 30 0.131 23 38 17 28 0.333
  1. P- values: * = Fisher’s exact.