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Table 2 Urinary testosterone of Sprague-Dawley male rats (rats 4, 5 and 6 from Figure 4 ) expressed adjusted according to associated creatinine concentration

From: Changes in male rat urinary protein profile during puberty: a pilot study

SD high protein Days old  
  36 39 44 46 49 53 56
Rat 4        
Weight (g) 146 169 201 216 236 257 268
Testosterone (ng/mL) 1.4 2.77 1.16 2.73 2.72 2.41 1.53
Creatinine (mg/dL) 117.3 136.9 49.4 58.6 102.7 94 98.3
Testosterone/creatinine (ng/mg) 1.29 2.02 2.35 4.66 2.65 2.56 1.56
Rat 5        
Weight (g) 139 160 193 208 225 245 260
Testosterone (ng/mL) 0.64 0.54 2.1 1.57 1.86 1.63 1.58
Creatinine (mg/dL) 56.7 52.8 109.2 84.4 97.6 92.3 100.2
Testosterone/creatinine (ng/mg) 1.13 1.02 1.92 1.86 1.91 1.17 1.58
Rat 6        
Weight (g) 147 172 212 227 240 263 277
Testosterone (ng/mL) 1.68 1.15 2.16 3.91 3.59 5.99 2.95
Creatinine (mg/dL) 111.7 96.1 132.5 143.8 151 263.3 163.6
Testosterone/creatinine (ng/mg) 1.50 1.20 1.63 2.72 2.38 2.27 1.80
  1. A 10% volume of 1% sodium azide solution was added to each collected urine sample as preservative. Values in the Table have not been adjusted to account for this relatively negligible dilution.