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. 2015 May 8;21:33–49. doi: 10.1007/s10459-015-9609-x

Table 3.

Predictive validity of three versions of the Medical College Admission Test for 153 graduates of the Vanderbilt Medical Scientist Training Program

Cohort (Matriculation years) (N) mspGPA mscGPA Step I Score Step II Score Step III Score
βb CI p value β CI p value β CI p value β CI p value β CI p value
Cohort 1 (1963–1977) (N = 32)
 uGPA 0.22 [0.04, −0.41] 0.03 0.09 [−0.06, −0.25] 0.24 1.88 [−24.34, −28.10] 0.89 −4.21 [−31.90, −23.48] 0.77 −0.06 [−11.55, −11.44] 0.99
 MCATa 0.0011 0.002, −0.000I 0.08 0.0001 [−0.001, 0.001] 0.89 −0.03 [−0.17, −0.10] 0.63 0.07 [−0.07, −0.22] 0.34 0.02 [−0.06, −0.10] 0.60
Cohort 2 (1978–1991) (N = 65)
 uGPA 0.32 [0.12, 0.51] 0.003 0.34 [0.09, 0.59] 0.01 −1.83 [−19.87, −16.23] 0.84 6.27 [−12.18, −24.72] 0.51 5.73 [−13.20, −24.67] 0.56
 MCATc 0.003 [−0.01, −0.02] 0.66 0.004 [−0.01, −0.02] 0.65 0.74 [−0.50, −1.97] 0.25 1.36 [0.09, 2.63] 0.04 1.01 [−0.18, −2.20] 0.11
Cohort 3 (1992–2003) (N = 56)
 uGPA 0.25 [−0.07, −0.57] 0.13 0.09 [−0.26, −0.44] 0.61 11.34 [−12.09, −34.77] 0.35 28.95 [1.22,59.12] 0.07 9.40 [−20.78, −39.59] 0.55
 MCATd −0.001 [−0.02, −0.02] 0.94 0.03 [0.01, 0.06] 0.02 0.48 [−1.25, −2.20] 0.59 1.43 [−0.92, −3.77] 0.24 0.27 [−1.62, −2.17] 0.78
 uGPA 0.15 [−0.20, −0.45] 0.41 0.09 [−0.32, −0.51] 0.66 12.39 [−11.75, −36.53] 0.32 33.06 [0.35,66.47] 0.06 2.56 [−29.76,−34.88] 0.88
 MCAT (PS)e 0.0001 [−0.05, −0.05] 0.99 0.01 [−0.05, −0.07] 0.74 −0.41 [−3.88, −3.07] 0.82 −2.95 [−7.78, −1.89] 0.24 3.23 [6.659,0.195] 0.08
 MCAT (BS) −0.04 [−0.10, −0.03] 0.25 −0.01 [−0.09, −0.07] 0.82 −0.45 [−4.60, −3.71] 0.84 3.69 [−2.37, −9.76] 0.24 1.98 [−2.578, −6.534] 0.40
 MCAT (VR) 0.03 [−0.03, −0.09] 0.34 0.03 [−0.04, −0.09] 0.46 2.34 [−2.20, −6.89] 0.32 0.66 [−5.63, −6.94] 0.84 3.14 [−2.268, −8.549] 0.27

aMCAT subscores between 1963 and 1977 consisted of Science Achievement, General Information, Quantitative Ability, and Verbal Ability

bNumbers indicate slope (p), confidence interval (CI) and p value. Italicized numbers indicate statistically significant associations, and bold numbers indicate associations approaching significance

cMCAT subscores between 1978 and 1991 consisted of Biology, Chemistry, Physics, Science Problem Solving, Quantitative Skills, and Reading Skills

dMCAT subscores between 1992 and 2003 consisted of Biological Sciences, Physical Sciences, and Verbal Reasoning

eMCAT PS Physical Sciences, BS Biological Sciences, and VR Verbal Reasoning subscores