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Table 3 Agreement between tobit regression and linear regression estimates of slope half-life.

From: Standardizing the measurement of parasite clearance in falciparum malaria: the parasite clearance estimator

  Relative Difference in Slope half-lifea
Sample size b < 10% < 30% < 50%
3 < N ≤ 5 620 (90%) (26, 44) 669 (97%) (9, 12) 683 (99%) (5, 2)
5 < N ≤ 10 1104 (81%) (19, 242) 1281 (94%) (2, 82) 1352 (99%) (1, 12)
10 < N ≤ 15 331 (96%) (7, 8) 346 (100%) (0, 0) 346 (100%) (0, 0)
  1. The two numbers in brackets represent the percentage within the threshold and the number of cases below and above the margin respectively.
  2. a Number of patients (%) within margin and (number of patients below margin, number of patients above margin) are given
  3. b Number of observations in the linear part of the parasite clearance profile