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Table 3 Comparisons for total scores of correct ‘medication dose adjustment at appropriate GFR level’ knowledge

From: Awareness and knowledge among internal medicine house-staff for dose adjustment of commonly used medications in patients with CKD

Variable Possible Total Score PGY1
M (SD)
PGY2
M (SD)
PGY3
M (SD)
ANOVA or Kruskal Wallis
p-value
ANCOVA
p-value
Post-hoc
Allergy 3 1.2 (0.81) 1.5 (0.71) 1.6 (0.57) <0.001 0.001 PGY2>PGY1
PGY3>PGY1
Analgesic 4 0.5 (0.69) 0.6 (0.77) 0.7 (0.66) 0.25
Cardiovascular 7 2.1 (1.06) 2.4 (0.99) 2.5 (0.84) 0.004 0.03 PGY2>PGY1
PGY3>PGY1
Endocrine 3 0.7 (0.76) 0.9 (0.79) 1.1 (0.87) 0.001 0.001 PGY2>PGY1
PGY3>PGY1
Gastrointestinal 2 0.7 (0.55) 0.9 (0.50) 0.9 (0.45) 0.001 0.002 PGY2 > PGY1
PGY3>PGY1
Neuropsychotropic 5 1.4 (0.95) 1.6 (0.95) 1.5 (0.89) 0.34
Rheumatologic 2 0.4 (0.62) 0.5 (0.73) 0.6 (0.76) 0.054
Overall medication score 26 6.8 (3.09) 8.3 (2.91) 8.8 (2.02) <0.001 <0.001 PGY2>PGY1
PGY3>PGY1
  1. Note: M mean, SD standard deviation, PGY post-graduate year, ANOVA analysis of variance, ANCOVA analysis of covariance. Sample sizes slightly vary due to omissions by participants. Endocrine, pain, and rheumatologic had skewed distributions and non-parametric analyses of the Kruskall Wallis test were performed instead of ANOVA. For endocrine, the Mann–Whitney test was performed instead of LSD post-hoc tests and rank ANCOVA (Quade’s test) was performed instead of ANCOVA