TABLE 5.
Comparison of the entrance skin air kerma (mGy) values of this study to other international entrance skin air kerma values
| Study and country | Projection |
|
|---|---|---|
| Chest PA | Chest LAT | |
| Nyathi et al. (2009); South Africa | ||
| Mean | 0.10; 0.09† | 0.23; 0.19† |
| Minimum | 0.05; 0.05† | 0.12; 0.07† |
| Maximum | 0.20; 0.15† | 0.44; 0.26† |
| Hart et al. (2012); United Kingdom | ||
| Mean | 0.12 | 0.48 |
| Minimum | 0.02 | 0.22 |
| Maximum | 1.1 | 1.26 |
| Baş Mor et al. (2018); Turkey | ||
| Mean | 0.33 | 0.73 |
| Minimum | - | - |
| Maximum | - | - |
| Mohsenzadeh et al. (2018); Iran | ||
| Mean | 0.6 | 0.85 |
| Minimum | 0.13 | 0.25 |
| Maximum | 1.12 | 1.98 |
| Metaxas et al. (2019); Greece | ||
| Mean | 0.12 | 0.66 |
| Minimum | - | - |
| Maximum | - | - |
| Ahmed et al. (2020); Sudan | ||
| Mean | 0.49 | - |
| Minimum | 0.07 | - |
| Maximum | 2.35 | - |
| Hoseini Motlagh et al. (2020); Iran | ||
| Mean | 1.0‡ | 1.7‡ |
| Minimum | 0.2‡ | 0.3‡ |
| Maximum | 3.3‡ | 4.3‡ |
| Suliman (2020); Oman | ||
| Mean | 0.14 | 0.49 |
| Minimum | - | - |
| Maximum | - | - |
| This study (2020); South Africa | ||
| Mean | 0.2 | 0.6 |
| Minimum | 0.1 | 0.2 |
| Maximum | 0.4 | 1.4 |
PA, posteroanterior; LAT, lateral.
†
, In this study, separate values were provided for two examination rooms.
‡
, In this study, entrance skin dose (ESD) values were reported, not entrance skin air kerma (ESAK).