Lloyd B W, Oto A
Arch Dis Child. 1982 Mar;57(3):233-5. doi: 10.1136/adc.57.3.233.
Serial leucocyte counts were made on 24 babies of less than 33 weeks' gestation during the first 5 days of life. The values for mature neutrophils show two important differences from those obtained by previous workers studying term babies, in that the counts were much lower on the first day of life and showed a wider range of values at all ages. In contrast, immature neutrophil counts, expressed either as absolute values or as a proportion of the total neutrophil count (the I/T ratio), were similar to those found in previous studies and had a considerably narrower range.
对24名孕周小于33周的婴儿在出生后的头5天进行了连续白细胞计数。成熟中性粒细胞的值与之前研究足月儿的研究人员所获得的值有两个重要差异，即出生第一天的计数要低得多，并且在所有年龄段的值范围更广。相比之下，未成熟中性粒细胞计数，无论是以绝对值表示还是以中性粒细胞总数的比例表示（I/T比值），都与之前的研究结果相似，并且范围要窄得多。
