. 2007 Feb 12;64(2):210–218. doi: 10.1111/j.1365-2125.2007.02847.x

Table 1.

The 83 713 patients (≥18 years old) who received at least one prescription for carisoprodol characterized according to their use of carisoprodol, benzodiazepines and opioids (Norwegian Prescription Database 2004)

	Definition criteria
Group	Carisoprodol use	Opioid and benzodiazepine use
Therapeutic use of carisoprodol	<15 DDDs in 2004	<100 DDDs year⁻¹ of both
Pseudo-therapeutic long-term use of carisoprodol	<2 DDDs day⁻¹ in any prescription, but ≥15 DDDs in 2004	<100 DDDs year⁻¹ of both
Carisoprodol abuse	≥2 DDDs day⁻¹ in any prescription	<100 DDDs year⁻¹ of both
Anxiety patient/benzodiazepine abuser	Any amount	<100 DDDs/year opioids, ≥100 DDDs year⁻¹ benzodiazepines
Pain patient/opioid abuser	Any amount	≥100 DDDs year⁻¹ opioids, any amount of benzodiazepines