Table 1. Basic characteristics of included studies.
| Study (Year) | Region | Research Type | Subjects Numbers |
Age (Mean±SD) |
SSNHL Definition | Initial Hearing Threshold (dB) |
Scanner Settings |
Gd Dose | Detection Rates | |
| 10 min | 4 h | |||||||||
| a. Acutely-developed sensorineural-type hearing loss with an increased pure-tone threshold of >30dB affecting at least three consecutive frequencies within a 72-hour period (Chandrasekhar et al., 2019). b. Acutely-developed sensorineural-type hearing loss with an increased pure-tone threshold of ≥20dB affecting at least two consecutive frequencies within a 72-hour period (Editorial Board of Chinese Journal of ORL-HNS, 2015). | ||||||||||
| Byun 2019 | Korea | Prospective | 87 | 50.44±13.71 | Definition 1a | 62.17±30.01 | 3T | Double | 20.10% | 59.70% |
| Compa-gnone 2022 | France | Prospective | 36 | 54.5±16.3 | Definition 1a | 92.28±10.88 | 3T | Standard | 0% | 27.78% |
| Min 2018 | China | Unclear | 42 | 51.9±12.6 | Definition 2b | Unclear | 3T | Standard | 26.19% | 40.48% |
| Zhu 2014 | China | Unclear | 46 | 58.4±8.1 | Definition 2b | 61.03±27.18 | 1.5T | Standard | 32.60% | 41.30% |