highly significantp = 0.016
Although the effect tends to decrease over the years, it remains highly significant 30 years later (a reduction of 30% compared to conventional treatment; p = 0.016) [ 12 , 13 ].
Although the effect tends to decrease over the years, it remains highly significant 30 years later (a reduction of 30% compared to conventional treatment; p = 0.016) [ 12 , 13 ].