Table 4

Administered fixed and PRN analgesics by group

Analgesic (fixed)Administered (mg)
ControlInterventionP value
M (SD)*M (SD)
NSAIDs
 Ibuprofen966.7 (330.8)1040.0 (364.1)0.55
 Celecoxib173.7 (56.2)206.2 (85.4)0.19
 Naproxen718.7 (338.2)526.5 (400.6)0.40
 Meloxicam13.1 (3.7)11.0 (6.0)0.10
 Paracetamol3236.1 (933.4)3250.0 (1008.6)0.92
 Pregabalin158.3 (82.8)162.1 (58.1)0.76
 Oxycodone SR22.4 (13.6)25.8 (14.5)0.32
 Oxycodone–naloxone19.9 (11.0)20.5 (7.8)0.77
Analgesic (PRN)
 Morphine1.49 (4.1)1.25 (3.1)0.74
 Oxycodone10.8 (12.0)16.1 (12.9)<0.001
 Tramadol64.7 (97.3)61.2 (99.67)0.86
  • *Zero doses (prescribed but not administered) are excluded from calculation of the mean in milligrams (M) and SD.

  • NSAID, non-steroidal anti-inflammatory drug; PRN, pro re nata; SR, sustained release.