**6.1 Comparison chart**

Samples which has been tested earlier in Clinical Laboratory one year ago are again used for clinical test (Clinic) and compared with the ZnO based

**Figure 23.** *Measurement of biological parameters of bovine.*

**Figure 24.** *Biosensor displaying the biological parameters.*

sensing device (Device). Serum samples belongs to the same bovine which has been collected in mass amount to carry out the test successfully to make conclusion.

## *6.1.1 Biological parameters of bovine (cow)*

Samples of bovine (cow) are used for clinical test and compared with the ZnO based sensing device. Five blood serum sample are used which are denoted by B1. B2, B3, B4 and B5.

### **6.2 Statistical analysis and conclusion**

Statistical analysis is done using IBM SPSS version 20 for the data of **Table 6**. Standard deviation and standard error are evaluated using paired sample test as shown in **Table 7**. Also to check the efficiency of the device, correlation and t-test are carried out as shown in **Table 8**. Correlation test tells us about the similarity in the observations of both CLINIC values and DEVICE values and t-test tells us the difference in the paired samples i.e. CLINIC values and DEVICE values [13].
