Table 5 The reported prevalence of DPN in various selected studies with their diagnostic criteria
Study | Country | Participants no. and type of DM | Neuropathy diagnostic tool | DPN prevalence % |
|---|---|---|---|---|
Current study (2016) | Jordan | 1003 Type 2 | MNSI | 39.5% |
Elrefai et al. [24] | Jordan | 229 patients with diabetic foot | One type of neuropathy: (presence of pain, abnormal ankle reflex, abnormal quantitative sensory testing) | 89% |
Al Sarihin et al. [25] | Jordan | 86 Type 1 116 Type 2 | MNSI | 58.1% 51.7% |
Al Mahroos et al. [35] | Bahrain | 1477 Type 2 | At least two abnormal tests: Neuropathy Symptom Score (NSS) Vibration Perception Threshold (VPT) Neuropathy Disability Score (NDS) | 36.6% |
Al Geffari et al. [20] | Saudi Arabia | 242 Type 2 | Abnormal two combined tests: (MNSI, Monofilament, vibration sensation, ankle reflex) | 38.79% |
Al-Kaabi et al. [22] | United Arab Emirates | 394 Type 2 | MNSI | 25.6% |
Pop-Busui et al. [26] | USA | 2368 Type2 With CAD | MNSI | 51% |
Liu et al. [27] | China | 1197 Type 2 | Pressure sensation abnormality using 10-g monofilament and impaired vibration perception using tunning fork | 17% |
Tabatabaei-Malazy et al. [21] | Iran | 124 patients | UK questionnaire MNSI Neuropathy Disability Score (NDS) Semmes Weinstein Monofilament (SWM) | 54% 31.9% 38.1% 31.7% |
Won et al. [29] | Korea | 4000 Type 2 | MNSI and 10-g monofilament | 33.5% |
Katulanda et al. [28] | Sri Lanka | 528 Type2 191 New DM | Diabetic-Neuropathy-Symptom score (DNS) | DNS score: 48.1% |
337 known | Toronto-Clinical-Scoring-System (TCSS) and DNS | TCSS: 24% | ||
Bansal et al. [23] | India | 1637 new Type 2 | One abnormal test: (10-g monofilament, pinprick sensation and ankle reflex) | 9.2% |
396 known Type 2 | 33.7% | |||
Kostev et al. [51] | Germany | New Type 2 45,633 | Physician diagnosis or | 5.7% |
UK | 14,205 | ICD code (E11.4) | 2.4% |