r - How to change confidence interval display format? -

i have dataset this:

row   b1    b2    b3         g1         g2   g3  1   6.19   0.69       0.30       0 0   0  2    100   100    100        94.87 98.73   90.56  3    100   90.24     100         40    78.94   87.5  4    93.90 96.15     95.29      98.82  100 100  5    100   98.38      100       88.88  95.87   83.56  6    93.90 96.15     95.29      98.82  100 100 

and on, 25000 rows. each row, need calculate difference between b columns , g columns, , confidence interval. have far:

    data=read.table("1.txt", header=t, sep="\t")     boys=data[,grep('b',names(data))]     girls=data[,grep('g',names(data))]     ci= sapply(1:nrow(data),function(i){wilcox.test(as.numeric(boys[i,]),as.numeric(girls[i,]),exact=false,correct=false,conf.int=true,conf.level=0.95)$conf.int}) 

my problem is, every time this, confidence intervals display 2 numbers of interval 1 above other. example, this: 5 15 (for row 1, say)

how ci each row display in single row, this: 5,15

would grateful in regard! in advance!