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Table 2 Median and percentiles of fecal hemoglobin concentration corresponding to colorectal non-advanced and advanced adenoma, and colorectal cancer based on the nonparametric and parametric methods

From: Quantile-based fecal hemoglobin concentration for assessing colorectal neoplasms with 1,263,717 Taiwanese screenees

Percentile Nonparametric methoda Parametric methoda
Non-advanced adenoma Advanced adenoma Colorectal cancer Non-advanced adenoma Advanced adenoma Colorectal cancer
10th 23.0b 25.8 33.8 2.4 3.4 6.8
20th 28.6 35.8 58.6 8.4 12.2 24.1
25th 32.0 41.6 72.8 12.9 18.7 37.0
30th 35.8 49.0 90.6 18.6 26.8 53.2
40th 45.3 66.8 140.0 34.0 49.2 97.5
50th 58.8 92.0 198.2 57.0 82.4 163.1
60th 78.8 129.0 267.7 91.2 131.9 261.2
70th 111.7 200.0 360.8 144.6 209.0 414.1
75th 141.8 247.3 400.0 183.5 265.2 525.3
80th 186.1 311.8 476.6 236.0 341.1 675.7
90th 368.4 468.6 951.4 431.9 624.2 1236.4
  1. aKaplan-Meyer method is used for the nonparametric method and the accelerated failure time model is used for the parametric method
  2. bThe unit of fecal hemoglobin concentration is μg/g