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Table 2 Descriptive statistics for cortisol levels, prorated STAI-S and STAI-T scores, self-efficacy and OSCE scores. Low indicates values 2 SD below and high indicates values 2 SD above the sample mean, except for STAI scores, for which the classification is based on predefined cut points: low < 33, medium = 33 to 49, and high > 49 [21]

From: Stress, anxiety, self-efficacy, and the meanings that physical therapy students attribute to their experience with an objective structured clinical examination

  Mean ± SD Low Medium High
Cortisol (ng/ml) 6.3 ± 3.1 1 (4%) 23 (92%)   1(4%)
STAI-S 44.1 ± 16.5 7 (21.8%) 13 (40.6%) 12 (37.5%)
STAI-T 52.3 ± 12.7 2 (6.25%) 9 (28.1%) 21 (65.6%)
Self-efficacy 51.0 ± 9.4 5 (16.1%) 22 (70.9%) 4 (12.9%)
OSCE scores 18.5 ± 2.0 5 (15.6%) 21 (18.7%) 6 (18.7%)