Correspondingly , adjusted nondense area was significantly lower in Chinese ( 72.2 cm2 ; 95 % CI 67.9 cm2 , 76.5 cm2 ) women compared to Malay ( 92.1 cm2 ; 95 % CI 86.9 cm2 , 97.2 cm2 ) and Indian ( 97.7 cm2 ; 95 % CI 93.4 cm2 , 101.9 cm2 ) women ( p < 0.001 ) , but dense area did not differ across the three ethnic groups .