Table 1 Characteristics of participants
Demographic status | OFP characteristics | |||||
|---|---|---|---|---|---|---|
Ref. no. | Age (Sex) | Education | Locations | Onset time | Duration | Severity |
[1] | 78 (F) | Primary | - Right templea | 2 years | Seconds | Moderate |
- Right eyea | 2 years | |||||
- Right facea | 2 years | |||||
[2] | 65 (F) | Primary | - Tongue | 10 years | Hours | Moderate |
[3] | 75 (F) | Primary | - Right temple | 1 year | Minutes | Severe |
- Right jaw | 1 year | |||||
[4] | 78 (F) | Secondary | - Tongue | 5 years | Hours | Moderate |
[5] | 74 (F) | Primary | - Tongue | 10 years | Minutes | Moderate |
- Right jaw | 20 years | |||||
- Right chin | 20 years | |||||
[6] | 60 (M) | Secondary | - Left faceb | 3 years | Seconds | Severe |
- Corners of Mouthb | 3 years | |||||
[7] | 77 (F) | Primary | - Facec | 10 years | Seconds to | Moderate |
- Eyesc | 10 years | Hours | ||||
[8] | 71 (F) | Primary | - Jaws | 3 years | Minutes | Severe |
- Tongue | 3 years | |||||
[9] | 76 (F) | Primary | - Eyes | 10 years | Minutes | Moderate |
- Jaws | 10 years | |||||
[10] | 75 (F) | Primary | - Temples | 6 months | Minutes | Mild |
- Palate | 6 months | |||||
[11] | 73 (M) | Primary | - Right jaw | 2 years | Minutes | Moderate |
[12] | 82 (F) | Primary | - Right templed | 2 years | Hours | Severe |
- Right faced | 2 years | |||||
[13] | 80 (F) | Secondary | - Left eyee | 15 years | Hours | Mild |
- Left facee | 15 years | |||||
- Left chine | 15 years | |||||
[14] | 83 (F) | No | - Left eye | 5 years | Minutes | Moderate |
- Left orbit | 5 years | |||||
[15] | 68 (F) | Secondary | - Right templef | 12 years | Seconds | Severe |
[16] | 77 (M) | Primary | - Tongue | 12 years | Minutes | Mild |
[17] | 80 (F) | Primary | - Tongue | 4 months | Minutes | Mild |
- Left eye and left orbit | 2 years | |||||
- Temples | 2 years | |||||
[18] | 76 (F) | Primary | - Left eye and left orbit | 1 year | Minutes | Moderate |
- Left temple | 1 year | |||||
[19] | 83 (F) | Primary | - Left eye and left orbit | > 1 year | Seconds | Mild |
[20] | 76 (F) | Secondary | - Eyes | 5 months | Minutes | Moderate |
- Nose | 5 months | |||||
[21] | 80 (F) | Primary | - Temples | 5 years | Hours | Moderate |
[22] | 82 (F) | Primary | - Right buccal cheek | 20–30 years | Minutes | Mild |
[23] | 66 (M) | Tertiary | - Nose | 4 years | Seconds to minutes | Moderate |
- Temples | 4 years | |||||
[24] | 65 (F) | Tertiary | - Lichen planus | 3 years | Seconds | Mild |
- Bilateral buccal cheek | 3 years | |||||
[25] | 69 (F) | Primary | - Left faceg | 3 years | Minutes | Severe |
- Left ching | 3 years | |||||