Table 3 Cross tables, sensitivity, and specificity for the number of patients using health care as self-reported and from administrative databases
Health care | Sensitivity | Specificity | |||
|---|---|---|---|---|---|
General practitioner | |||||
GP contacts | YES (PT) | NO (PT) | |||
YES (DB) | 38 | 3 | 93% | 56% | |
NO (DB) | 4 | 5 | |||
Medications | |||||
Paracetamol | YES (PT) | NO (PT) | |||
YES (DB) | 23 | 0 | 100% | 59% | |
NO (DB) | 11 | 16 | |||
Opiates | YES (PT) | NO (PT) | |||
YES (DB) | 4 | 5 | 44% | 93% | |
NO (DB) | 3 | 38 | |||
Paracetamol & opiates* | YES (PT) | NO (PT) | |||
YES (DB) | 4 | 5 | 44% | 93% | |
NO (DB) | 3 | 38 | |||
NSAIDs | YES (PT) | NO (PT) | |||
YES (DB) | 17 | 1 | 94% | 84% | |
NO (DB) | 5 | 27 | |||
Pantoprazole | YES (PT) | NO (PT) | |||
YES (DB) | 2 | 1 | 67% | 100% | |
NO (DB) | 0 | 47 | |||
Omeprazole | YES (PT) | NO (PT) | |||
YES (DB) | 12 | 3 | 80% | 91% | |
NO (DB) | 3 | 32 | |||
Amitriptyline | YES (PT) | NO (PT) | |||
YES (DB) | 2 | 1 | 67% | 98% | |
NO (DB) | 1 | 46 | |||
Hospital services | |||||
Emergency visits | YES (PT) | NO (PT) | |||
YES (DB) | 2 | 0 | 100% | 100% | |
NO (DB) | 0 | 48 | |||
OA-related inpatient events | YES (PT) | NO (PT) | |||
YES (DB) | 2 | 0 | 100% | 100% | |
NO (DB) | 0 | 48 | |||
Orthopaedics | YES (PT) | NO (PT) | |||
YES (DB) | 7 | 3 | 70% | 85% | |
NO (DB) | 6 | 34 | |||
Rheumatology | YES (PT) | NO (PT) | |||
YES (DB) | 2 | 0 | 100% | 98% | |
NO (DB) | 1 | 47 | |||
Medical imaging services† | YES (PT) | NO (PT) | |||
YES (DB) | 10 | 4 | 71% | 81% | |
NO (DB) | 7 | 29 |