关于forestplot包装中钻石尺寸的变化

我们怎样才能改变森林地块包装中钻石的大小

我添加了boxsize=0.15，但这改变了所有方块和菱形的大小（荟萃分析结果）

库（forestplot）
#来自“rmeta”包的Cochrane数据
科克伦来自科克伦
 library(forestplot)
# Cochrane data from the 'rmeta'-package
 cochrane_from_rmeta <- 
  structure(list(
   mean  = c(NA, NA, 0.578, 0.165, 0.246, 0.700, 0.348, 0.139, 1.017, NA, 
  0.531), 
lower = c(NA, NA, 0.372, 0.018, 0.072, 0.333, 0.083, 0.016, 0.365, NA, 0.386),
upper = c(NA, NA, 0.898, 1.517, 0.833, 1.474, 1.455, 1.209, 2.831, NA, 0.731)),
.Names = c("mean", "lower", "upper"), 
row.names = c(NA, -11L), 
class = "data.frame")


      tabletext<-cbind(c("", "Study", "Auckland", "Block", 
       "Doran", "Gamsu", "Morrison", "Papageorgiou", 
        "Tauesch", NA, "Summary"),
      c("Deaths", "(steroid)", "36", "1", 
      "4", "14", "3", "1", 
     "8", NA, NA),
 c("Deaths", "(placebo)", "60", "5", 
   "11", "20", "7", "7", 
   "10", NA, NA),
  c("", "OR", "0.58", "0.16", 
"0.25", "0.70", "0.35", "0.14", 
"1.02", NA, "0.53"))

   forestplot(tabletext, 
       cochrane_from_rmeta,new_page = TRUE,
       is.summary=c(TRUE,TRUE,rep(FALSE,8),TRUE),
       clip=c(0.1,2.5), 
       xlog=TRUE, 
        boxsize=0.15,   # I added this, but changed all.
       col=fpColors(box="royalblue",line="darkblue", summary="royalblue"))