Journal of Laboratory Medicine and Quality Assurance

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2288-7261   pISSN 2384-2458

Table. 3.

Table. 3.

Proficiency test results for complete blood cell count

ItemNo. of participantsMedianMinMaxMean±SDCV(%)No. except outliersOutliers (%)
1st
 WBC count
  HH-18-011,6513.221.2822.503.236±0.1133.51,5605.5
  HH-18-021,6517.491.2574.007.484±0.3024.01,5983.2
  HH-18-031,65121.702.8328.3021.637±0.8844.11,5844.1
 RBC count
  HH-18-011,6512.131.356.642.131±0.0502.41,5933.5
  HH-18-021,6514.602.087.714.602±0.0881.91,5814.2
  HH-18-031,6515.062.096.355.060±0.1052.11,5714.8
 Hemoglobin
  HH-18-011,6535.64.716.95.57±0.152.71,5913.8
  HH-18-021,65313.26.022.513.18±0.201.61,5824.3
  HH-18-031,65315.85.549.215.80±0.291.81,5844.2
 Hematocrit
  HH-18-011,65017.27.849.917.07±0.855.01,6241.6
  HH-18-021,65041.013.286.940.68±1.904.71,6042.8
  HH-18-031,65048.515.899.247.92±2.525.31,5913.6
 Platelet count
  HH-18-011,65183528,50082.6±5.76.91,5695.0
  HH-18-021,651240772,540239.1±13.25.51,5784.4
  HH-18-031,651496755,720494.2±31.16.31,5625.4
2nd
 WBC count
  HH-18-041,6843.300.0023.003.296±0.1293.91,6412.6
  HH-18-051,6847.551.3022.467.548±0.2763.71,6243.6
  HH-18-061,68422.562.7441.4022.519±0.8904.01,6213.7
 RBC count
  HH-18-041,6842.020.006.082.016±0.0552.71,6531.8
  HH-18-051,6844.523.927.734.519±0.0851.91,6283.3
  HH-18-061,6845.141.997.995.133±0.1042.01,5826.1
 Hemoglobin
  HH-18-041,6865.50.017.15.52±0.152.81,6343.1
  HH-18-051,68613.211.138.813.20±0.181.41,5587.6
  HH-18-061,68615.95.244.915.94±0.241.51,5577.7
 Hematocrit
  HH-18-041,68316.60.078.216.56±0.814.91,6601.4
  HH-18-051,68340.517.785.640.20±1.824.51,6511.9
  HH-18-061,68347.516.093.346.90±2.365.01,6203.7
 Platelet count
  HH-18-041,68481049381.0±5.06.21,6024.9
  HH-18-051,684244164680243.0±13.05.41,6412.6
  HH-18-061,68448021,283476.8±31.06.51,5567.6

Abbreviations: SD, standard deviation; CV, coefficient of variation; WBC, white blood cell; RBC, red blood cell.

J Lab Med Qual Assur 2019;41:1-8 https://doi.org/10.15263/jlmqa.2019.41.1.1
© 2019 J Lab Med Qual Assur