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Table 1 Comparing outcome between time 1 and time 2

From: Does MMPI assessed at medical school admission predict psychological problems in later years?

  Time 1 Time 2 t n p value
n Mean (SD) Min–max n Mean (SD) Min–max
Anxiety 196 13.56 (3.6) 6–24 236 13.08 (4.0) 6–23 1.55 191 .122
Depression 196 7.16 (2.0) 5–15 236 7.16 (2.5) 5–24 .79 191 .433
Interpersonal difficulties 196 7.48 (2.1) 4–16 235 7.84 (2.5) 4–19 − 1.37 190 .173
Self-esteem 196 32.71 (3.7) 17–40 235 34.17 (4.0) 19–40 − 2.09 190 .038
Perceived stress 196 13.55 (4.4) 0–26 229 14.31 (5.3) 0–32 − 4.89 185 .000
  1. SD standard deviation, n number, min–max minimum–maximum, t t-statistics
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