表2 两组早产儿铁代谢状态及血液学相关参数比较 [M (P25 , P75)]
SGA组( n=36 ) | AGA组( n=114 ) | Z | P | |
14.5 (11.4, 17.1) | 16.4 ( 14.1, 18.4 ) | –2.882 | 0.004 | |
血清铁蛋白/(μg/L) | 135.6 (101.8, 176.2) | 172.5 ( 123.0, 218.3 ) | –2.596 | 0.009 |
总铁结合力/(μmol/L) | 30.4 ( 26.8, 34.9 ) | 35.4 ( 29.5, 44.6 ) | –3.265 | 0.001 |
Hb/(g/L) | 165.9 ( 141.8, 174.8 ) | 158.4 ( 143.9, 172.2 ) | –0.497 | 0.619 |
MCV/fL | 115.4 ( 102.1, 123.5 ) | 110.1 ( 102.5, 118.1 ) | –1.329 | 0.184 |
MCH /pg | 35.9 ( 33.3, 37.4 ) | 36.6 ( 33.1, 39.0 ) | –0.365 | 0.715 |
MCHC/(g/L) | 332.4 ( 306.3, 352.1 ) | 319.4 ( 297.4, 344.6 ) | –1.461 | 0.144 |