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Table 5 Correlation between (oo)cysts concentration and physicochemical parameters

From: Presence of Cryptosporidium parvum and Giardia lamblia in water samples from Southeast Asia: towards an integrated water detection system

Country Type of water Correlation of (oo)cyst concentration and physicochemical parameter(s)
  Oocyst Cyst Chlorine Ammonia Nitrate Nitrite DO TDS Salinity Turbidity
Malaysia Treated Oocyst 1.000          
Cyst 0 1.000         
Chlorine 0 0 1.000        
Ammonia 0 0 −0.183 1.000       
Nitrate 0 0 0.182 −0.261 1.000      
Nitrite 0 0 −0.171 −0.155 −0.284 1.000     
DO 0 0 0.224 −0.305 0.303 −0.367 1.000    
TDS 0 0 −0.010 −0.196 −0.088 −0.111 0.027 1.000   
Salinity 0 0 −0.344 0.181 −0.433 −0.113 −0.488 0.733 1.000  
Turbidity 0 0 −0.181 −0.232 0.237 −0.191 0.846 −0.255 −0.583 1.000
Untreated Oocyst 1.000          
Cyst 0.590 1.000         
Chlorine −0.031 −0.099 1.000        
Ammonia 0.421 0.742 0.181 1.000       
Nitrate 0.441 0.603 0.082 0.434 1.000      
Nitrite 0.473 0.614 0.172 0.597 0.851 1.000     
DO −0.022 −0.078 −0.307 −0.317 −0.126 −0.326 1.000    
TDS 0.156 0.284 0.221 0.327 −0.076 −0.042 0.217 1.000   
Salinity 0.270 0.458 0.448 0.657 0.133 0.337 −0.388 0.718 1.000  
Turbidity −0.043 −0.081 0.228 −0.005 0.040 −0.027 −0.292 0.226 0.240 1.000
Thailand Treated Oocyst 1.000          
Cyst 0 1.000         
Chlorine 0 0 1.000        
Ammonia 0 0 −0.221 1.000       
Nitrate 0 0 0.735 0.037 1.000      
Nitrite 0 0 0.518 0.444 0.772 1.000     
DO 0 0 −0.088 −0.244 −0.118 0.085 1.000    
TDS 0 0 −0.027 0.236 0.639 0.550 −0.087 1.000   
Salinity 0 0 −0.044 0.259 0.627 0.535 −0.103 0.998 1.000  
Turbidity 0 0 −0.008 0.306 −0.233 0.173 −0.077 −0.200 −0.215 1.000
Untreated Oocyst 1.000          
Cyst 0.838 1.000         
Chlorine 0.037 0.117 1.000        
Ammonia 0.153 0.179 0.120 1.000       
Nitrate −0.034 0.031 0.423 0.299 1.000      
Nitrite 0.137 0.169 0.404 0.446 0.657 1.000     
DO −0.072 −0.035 −0.124 −0.242 −0.037 −0.148 1.000    
TDS −0.147 −0.176 0.262 −0.252 0.090 0.162 0.200 1.000   
Salinity 0.205 0.215 −0.185 0.135 −0.295 −0.180 0.410 −0.166 1.000  
Turbidity 0.251 0.334 0.207 0.347 0.067 0.232 0.171 −0.096 0.517 1.000
Philippines Treated Oocyst 1.000          
Cyst 1.000 1.000         
Chlorine −0.339 −0.339 1.000        
Ammonia −0.155 −0.155 −0.259 1.000       
Nitrate 0.993 0.993 −0.260 −0.178 1.000      
Nitrite 0.272 0.272 −0.146 −0.414 0.199 1.000     
DO −0.445 −0.445 0.164 −0.098 −0.407 −0.463 1.000    
TDS 0.447 0.447 0.342 −0.033 0.436 0.481 −0.532 1.000   
Salinity 0.447 0.447 0.338 −0.048 0.435 0.497 −0.539 1.000 1.000  
Turbidity −0.359 −0.359 −0.251 −0.452 −0.364 0.011 0.388 −0.827 −0.816 1.000
Untreated Oocyst 1.000          
Cyst 0.516 1.000         
Chlorine 0.310 −0.113 1.000        
Ammonia 0.297 0.450 0.330 1.000       
Nitrate 0.191 0.325 0.570 0.500 1.000      
Nitrite 0.107 0.720 −0.020 0.614 0.578 1.000     
DO −0.354 0.084 −0.879 −0.507 −0.533 −0.016 1.000    
TDS 0.188 −0.134 0.484 −0.042 0.547 −0.128 −0.408 1.000   
Salinity 0.151 −0.159 0.527 0.121 0.059 −0.057 −0.470 −0.105 1.000  
Turbidity 0.337 0.127 0.600 0.690 0.288 0.146 −0.596 0.138 0.252 1.000
Vietnam Treated Oocyst 1.000          
Cyst 0 1.000         
Chlorine 0 0 1.000        
Ammonia 0 0 −0.939 1.000       
Nitrate 0 0 −0.302 0.187 1.000      
Nitrite 0 0 1.000 −0.937 −0.312 1.000     
DO 0 0 −0.361 0.642 0.141 −0.360 1.000    
TDS 0 0 −0.353 0.101 −0.305 −0.349 −0.661 1.000   
Salinity 0 0 −0.287 −0.022 −0.086 −0.286 −0.779 0.960 1.000  
Turbidity 0 0 0.996 −0.952 −0.357 0.996 −0.428 −0.266 −0.207 1.000
Untreated Oocyst 1.000          
Cyst 0 1.000         
Chlorine 0 0.084 1.000        
Ammonia 0 0.648 0.807 1.000       
Nitrate 0 0.181 0.965 0.847 1.000      
Nitrite 0 0.500 0.782 0.876 0.882 1.000     
DO 0 −0.628 0.274 −0.176 0.031 −0.332 1.000    
TDS 0 0.531 0.761 0.879 0.867 0.999 −0.365 1.000   
Salinity 0 0.531 0.760 0.879 0.867 0.999 −0.367 1.000 1.000  
Turbidity 0 −0.018 0.978 0.730 0.971 0.801 0.219 0.778 0.778 1.000
  1. Treated water includes drinking water, water dispenser, mineral water, tap water and swimming pools
  2. Untreated water includes rain water, springs, wells, recreational lake, rivers, waterfalls, canals/channels and effluent water