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Table 3 Distribution of acetaminophen dosages in 13868 prescriptions, stratified by patient’s group and prescriber’s specialty

From: Dosing variability in prescriptions of acetaminophen to children: comparisons between pediatricians, family physicians and otolaryngologists

  No. of prescriptions Median, mg Mean (SD), mg Coefficient of variation,% P valuea
Infant      
 Pediatrics 962 80.0 72.3 (62.7) 86.7 -
 Family medicine 374 83.3 79.6 (65.5) 82.3 0.033*
 Otolaryngology 347 91.7 91.0 (64.0) 70.3 <0.001*
Preschool child      
 Pediatrics 1752 166.7 145.8 (98.8) 67.8 -
 Family medicine 1007 150.0 140.3 (90.1) 64.2 0.135
 Otolaryngology 1162 166.7 162.3 (92.1) 56.7 <0.001*
Child      
 Pediatrics 1833 250.0 279.1 (148.2) 53.1 -
 Family medicine 1528 250.0 295.1 (150.0) 50.8 0.007*
 Otolaryngology 1565 277.8 305.4 (140.7) 46.1 <0.001*
Adolescent      
 Pediatrics 806 500.0 498.1 (13.9) 2.8 -
 Family medicine 1367 500.0 498.1 (14.0) 2.8 0.747
 Otolaryngology 1165 500.0 497.2 (17.2) 3.5 0.201
  1. a Wilcoxon rank-sum test.
  2. * statistically significant.