Table 2 Analysis of differences between the ARP and non-ARP groups
From: Dual-energy computed tomography in the early evaluation of acute radiation pneumonia
Variables | ARP group (n = 16) | Non-ARP group (n = 29) | ||
|---|---|---|---|---|
Gender | ||||
Male | 9 (56.2%) | 17(58.6%) | 0.024# | 1.000 |
Female | 7 (43.8%) | 12(41.4%) | ||
Staging of T in esophageal cancer | ||||
T1-2 | 6 (37.5%) | 11 (37.9%) | 0.001# | 1.000 |
T3-4 | 10 (62.5%) | 18 (62.1%) | ||
Lesion location | ||||
Upper | 4 (25.0%) | 14 (48.3%) | 2.801# | 0.246 |
Middle | 10 (62.5%) | 11 (37.9%) | ||
Lower | 2 (12.5%) | 4 (13.8%) | ||
Age | 61.13 ± 5.86 | 60.86 ± 6.55 | − 0.134* | 0.894 |
NIC before radiotherapy | 0.178 ± 0.033 | 0.173 ± 0.023 | − 0.582* | 0.564 |
NIC after radiotherapy | 0.142 ± 0.023 | 0.154 ± 0.017 | 2.035* | 0.048 |
NIC reduction rate (%) | 19.87 ± 5.70 | 10.79 ± 3.79 | − 6.408* | < 0.001 |
V5 (%) | 50.13 ± 2.58 | 49.70 ± 2.13 | − 0.594* | 0.555 |
V10 (%) | 35.60 ± 2.77 | 34.61 ± 2.05 | − 1.367* | 0.179 |
V20 (%) | 15.44 ± 2.70 | 14.51 ± 2.08 | − 1.291* | 0.204 |
MLD (G) | 11.64 ± 1.10 | 11.11 ± 0.75 | − 1.920* | 0.062 |