Table 3. Results of penile biothesiometry finding.
| Author | Device module & probe shape | Algorism | Site | REF site | IELT criteria | ED | Result |
|---|---|---|---|---|---|---|---|
| Xin et al. (48) | Undefined; undefined | 50 HZ; amplitude ascending & descending | Penile shaft; glans penis; mid scrotum | DIP | Not applicable | No | Penile Hypersensitivity in PE compare to Potent subject |
| Chen et al. (49) | ATS model; round cylinders | 1 °C/s starting at 32 °C in thermal; 1 μm/s in amplitude; flaccid penis | Penile shaft coronary sulcus | CRP | <1 min | Yes | No difference in Penile sensory threshold showed no difference among PE subtypes and elevated in ED concomitant |
| Vanden et al. (50) | SMV-5 and undefined | 250 and 120 HZ; amplitude ascending; flaccid penis with tract | Penile shaft; glans penis; scrotum | Forehead; sternum; DIP; RDT; phalanx | Not applicable | No | Negative correlation between penile threshold correlation and ELT in Potent subjects |
| Rowland et al. (51) | Undefined; vibratory tactile stimulator with 1.5 cm × 2.0 cm probe | 120 Hz; random amplitudes; flaccid penis | Ventral surface; coronal ridge | Not given | <2 min | Yes | No different penile threshold between PE and Potent; PE with ED has higher Penile sensory threshold |
| Salonia et al. (52) | GSA system; cylindrical probe | 1 °C/s at room temperature in thermal; 1 mm/s in amplitude; flaccid penis | Penile shaft; glans penis | DIP | <1 min | No | PE patients manifested with higher Penile threshold |
| Paick et al. (53) | SMV-5 | Unknown manner; flaccid and erected penis | Penile shaft; glans penis; frenulum | Wrist; Ankel | Not applicable | No | No obvious penile hypersensitivity in PE group; PGE1 intracavernous injection induced |
| Guo et al. (54) | Sensiometer A200; hand vibratory | 100 Hz; amplitude ascending at 0.1 V/s | Penile shaft; glans penis | DIP | <1 min | No | Lifelong PE patients had a penile hypersensitivity |
| Xin et al. (55) | Biothesiometry model PVD | Unknown manner | Penile shaft; glans penis; scrotum | Index finger | Not applicable | No | Significant vibratory threshold increased after topical anesthesia in PE |
| Hill et al. (56) | Modle biomedical; probe with a tractor | 100 Hz; amplitude ascending at 0.1 V/s; erected and flaccid penis | Penile shaft, glans penis; frenulum | Not given | Not applicable | No | Penile sensory lower in flaccid and condom wearing Penis in potent subjects |
PE, premature ejaculation; ED, erection dysfunction; DIP, dominant index finger pulp; RDT, right distal toe; CRP, center of right palm.