求翻译：与传统注射方法比较，接受改良注射法的220人中，中度疼痛72人（占总数的32.7%），明显低于接受传统注射法的150人（占总数的68.2%），两组比较差异有统计学意义是什么意思？

Compared with the traditional injection method, injection method modified to accept 220 people, moderate pain 72 (32.7% of the total), significantly lower than for traditional injection of 150 people (68.2% of the total), the difference statistically significant

Compared with traditional injection methods, modification of injectables, 220 persons in 72 (moderate to severe pain or a total of 32.7 % ) markedly lower than the 150 people who receive traditional injection (or a total of 68.2 % comparing), two group differences statistically

Compares with the traditional injection method, accepts the improvement jet method in 220 people, the moderate ache 72 people (account for total 32.7%), is lower than obviously accepts the traditional jet method 150 people (to account for total 68.2%), two group of comparison differences have statis

Compared with the traditional injection methods, 220 people accept the improved injection method, moderate pain 72 (32.7% per cent of the total), significantly lower than traditional injection methods of 150 persons (68.2% per cent of the total), two sets of comparison difference statistically signi

Inject the method with the tradition to compare, accept to improve of 220 who injects France, 72 intermediate pain (account for 32.7% of the total number), obviously less than accepting 150 people whose tradition injects the law (account for 68.2% of the total number), two groups of comparative diff