Index: simulator/plugins/treatmentstates/loader.py
===================================================================
diff -u -rcb8d48033154f4b36a6a05b6f31bd10390e84ac7 -r80181d382e841f6e66c8f0ad85d1c78e6856cfde
--- simulator/plugins/treatmentstates/loader.py	(.../loader.py)	(revision cb8d48033154f4b36a6a05b6f31bd10390e84ac7)
+++ simulator/plugins/treatmentstates/loader.py	(.../loader.py)	(revision 80181d382e841f6e66c8f0ad85d1c78e6856cfde)
@@ -62,8 +62,8 @@
         the slot for saline bolus state change
         :return: none
         """
-        sub_mode = self.tblSubMode.verticalHeaderItem(self.tblSubMode.currentRow()).text()
-        uf_state = self.tblUFStates.verticalHeaderItem(self.tblUFStates.currentRow()).text()
-        saline = self.tblSalineStates.verticalHeaderItem(self.tblSalineStates.currentRow()).text()
-        heparin = self.tblHeparinStates.verticalHeaderItem(self.tblHeparinStates.currentRow()).text()
-        self.hd_simulator.setTreatmentStatesData(sub_mode, uf_state, saline, heparin)
+        sub_mode = int(self.tblSubMode.verticalHeaderItem(self.tblSubMode.currentRow()).text())
+        uf_state = int(self.tblUFStates.verticalHeaderItem(self.tblUFStates.currentRow()).text())
+        saline = int(self.tblSalineStates.verticalHeaderItem(self.tblSalineStates.currentRow()).text())
+        heparin = int(self.tblHeparinStates.verticalHeaderItem(self.tblHeparinStates.currentRow()).text())
+        self.hd_simulator.cmd_set_treatment_states_data(sub_mode, uf_state, saline, heparin)