diff --git a/R/PRISMA_flowdiagram.R b/R/PRISMA_flowdiagram.R
index 94cc2c8..40fb89b 100755
--- a/R/PRISMA_flowdiagram.R
+++ b/R/PRISMA_flowdiagram.R
@@ -1447,7 +1447,7 @@ PRISMA_data <- function(data) { #nolint
   )
   dbr_excluded <- data.frame(
     reason = gsub(
-      ",\\s*\\d+\\s*$",
+      ",.*$",
       "",
       unlist(
         strsplit(
@@ -1464,8 +1464,8 @@ PRISMA_data <- function(data) { #nolint
       )
     ),
     n = gsub(
-      "^.*,\\s*(\\d+)\\s*$",
-      "\\1",
+      ".*,",
+      "",
       unlist(
         strsplit(
           as.character(
@@ -1493,7 +1493,7 @@ PRISMA_data <- function(data) { #nolint
   )
   other_excluded <- data.frame(
     reason = gsub(
-      ",\\s*\\d+\\s*$",
+      ",.*$",
       "",
       unlist(
         strsplit(
@@ -1510,8 +1510,8 @@ PRISMA_data <- function(data) { #nolint
       )
     ),
     n = gsub(
-      "^.*,\\s*(\\d+)\\s*$",
-      "\\1",
+      ".*,",
+      "",
       unlist(
         strsplit(
           as.character(
diff --git a/R/utils.R b/R/utils.R
index 2a0ff59..25aea36 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -5,10 +5,9 @@
 PRISMA_escape_text_ <- function(text) { #nolint
   if (is.null(text)) return(text)
   text <- as.character(text)
-  # Escape backslashes first, then quotes and apostrophes
-  text <- gsub("\\", "\\\\", text, fixed = TRUE)
+  # Escape double quotes and apostrophes for DOT syntax
   text <- gsub('"', '\\"', text, fixed = TRUE)
-  text <- gsub("'", "\\'", text, fixed = TRUE)
+  text <- gsub("'", "&#39;", text, fixed = TRUE)
   return(text)
 }