Dear R users:

In the example of meta-analysis (cochrane, package rmeta), I can not found the p-value of Test for overall effect, and some other indices (Z, I, weight and et al).  How can I get the these indices listed? 
> library(rmeta)
> data(cochrane)
> cochrane
          name ev.trt n.trt ev.ctrl n.ctrl
1     Auckland     36   532      60    538
2        Block      1    69       5     61
3        Doran      4    81      11     63
4        Gamsu     14   131      20    137
5     Morrison      3    67       7     59
6 Papageorgiou      1    71       7     75
7      Tauesch      8    56      10     71
> a=meta.MH(n.trt,n.ctrl,ev.trt,ev.ctrl,names=name,data=cochrane)
> summary(a)
Fixed effects ( Mantel-Haenszel ) meta-analysis
Call: meta.MH(ntrt = n.trt, nctrl = n.ctrl, ptrt = ev.trt, pctrl = ev.ctrl, 
    names = name, data = cochrane)
------------------------------------
               OR (lower  95% upper)
Auckland     0.58    0.38       0.89
Block        0.16    0.02       1.45
Doran        0.25    0.07       0.81
Gamsu        0.70    0.34       1.45
Morrison     0.35    0.09       1.41
Papageorgiou 0.14    0.02       1.16
Tauesch      1.02    0.37       2.77
------------------------------------
Mantel-Haenszel OR =0.53 95% CI ( 0.39,0.73 ) (where is Z and p-value ?)
Test for heterogeneity: X^2( 6 ) = 6.9 ( p-value 0.3303 )

 

Thanks
Yours Ping Zhang


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