求翻译：与传统注射方法比较，接受改良注射法的220人中度疼痛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 with moderate pain in 72 (32.7% of the total), significantly lower than for traditional injection of 150 people (68.2% of the total), the difference was statistically significance.

Compared with the traditional injection methods, modification of injecting law 220 moderate to severe pain among 72 (32.7 % of the total), obviously 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 220 human of moderate ache 72 people (to 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 statistic

Compared with the traditional injection methods, 220 people accept the improved injection method of 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 significant.

Inject the method with the tradition to compare, accept to improve 72 intermediate pain of 220 who injects France (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 diffe