. 2021 Dec;10(12):3233–3240. doi: 10.21037/gs-21-129

Table 2. Comparison of theoretical knowledge test scores and evaluation score of device manipulation between two groups (n=32, $\bar{x} \pm s$ ).

Grouping	South division (n=16)	North division (n=16)	t value	P value
Theory test score	78.60±6.08	83.43±6.70	2.135	0.041
Operation test score	80.93±6.59	84.70±6.84	2.360	0.025

Table 2. Comparison of theoretical knowledge test scores and evaluation score of device manipulation between two groups (n=32, x¯±s).