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Table 6 Bivariate correlations of opiate free success. Kaplan – Meier survival curves. All patients.

From: Psychosocial and treatment correlates of opiate free success in a clinical review of a naltrexone implant program

Parameter WW Chi Squared Gehan's – Wilcoxon Test Statistic Degrees Freedom P
Work After 6582.0   5.1978   0.00000
No. Detox's   39.1498   6 0.00000
Social Support   34.5710   2 0.00000
Implants or Tablets 6427.0   4.4719   0.00001
No. Implants   22.2834   2 0.00001
Group   20.4844   2 0.00004
Type of Implant   20.9302   3 0.00011
Financial Status   16.3870   2 0.00028
Morphine +UDS   18.4386   3 0.00036
Spirituality   19.5863   2 0.0006
Olanzepine +UDS   7.8996   2 0.01927
Naltrexone Simplified +UDS   6.0243   2 0.0492
Ecstacy +UDS   5.3881   3 0.14551
Cannabis Bivariate 1199.0   -1.3281   0.18416
Sport After 1324.0   1.0902   0.27561
Benzodiazepine +UDS   2.1997   2 0.33293
Cannabis Trivariate   1.7659   2 0.41357
Olanzepine Simple 458.00   1.9468   0.51156
Amphetamine + UDS   0.9888   2 0.60994
Heroin/Methadone -392.0   0.4169   0.67676
Citalopram +UDS 306.00   0.3537   0.72353
Citalopram Bivariate +UDS   0.3563   2 0.83683
Work Before -245.0   -0.1958   0.84477
Male Sex 72.000   0.0469   0.96255
  1. Note: This table combines statistical results for dichotomous variables and also variable with multiple responses. The Chi squared and degrees of freedom columns apply to the dichotomous variables, and the WW and Gehan's test statistic columns apply to variables with multiple categories. Drug levels in urine have been "simplified" or combined into composite trivariate categories to aide statistical analysis by combining levels of ++ to ++++ as simply ++. Parameters are presented as ordered by significance of the P-value.