四分位数

Median time from symptom onset to hospital admission was 4 days (interquartile range , 2 – 7 days) and from hospitalization to ICU admission was 1 day (IQR, 0 – 2 days).

从发生症状到住院的天数中位数为4天(四分位差为2– 7天)，从住院到转入ICU的天数中位数为1天(IQR为0– 2 天)。

Median serum 25D level was 29 ng/mL (interquartile range, 21 - 37 ng/mL).

血清 25维生素D含量的中位数为29 ng/mL，（四分位距为21 - 37 ng/mL）。

Median duration of follow-up was 14.0 yr (interquartile range, 7.9-21 yr).

随访时间的中位数为14年（四分位距为7.9-21年）。

Only one patient used the expected dosage; in general median 35%(interquartile range: 22%-50%) of the expected individual dosages were used.

只有一例患者应用要求的剂量；总的来说，只有中位数为35％（四分位间距：22％-50％）的要求个人剂量得到应用。

Results The median duration of actie treatment was 7.4 months. The 1167 patients receiing rofecoxib and the 1160 patients receiing placebo were well matched, with a median follow-up period of 33.0 months (interquartile range, 27.6 to 40.1) and 33.4 months (27.7 to 40.4), respectiely.

结果积极治疗的平均时间是7.4个月。1167名接受罗非考昔和1160名接受安慰剂的患者在各方面条件都是匹配的，他们的随访期限中位数分别是33.0个月（四分位距，27.6 ～ 40.1）以及33.4个月（四分位距，27.7～ 40.4）。

Ship's position, giving latitude: a 4-digit group in degress and minutes suffixed with

船舶位置；给出纬度：四位数表示度和分，加上后面N或S，和给出经度

Also, the OR of carotid atherosclerosis across quartiles of CRI was 1.51 (95% CI: 1.10–2.09) after multivariate adjustment.

而且，经过多变量调整后，变时反应指数所有四分位数对颈动脉粥样硬化的优势比为1.51（95%的可信区间：1.10-2.09）。

The second level: under the real situation, students can use suitable measures of central tendency to deal with practical problems.

根据该框架，提出了四个研究问题，分别是：其一是高中学生计算一组数据的平均数、众数、中位数的水平如何？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。