n=99   VS5 VS10 VS15 VS20 VS25 VS30 VS35 MLD TLV
RP Grade >=3 Pearson Correlation -0.206 -0.204 -0.208 -0.206 -0.211 -0.197 -0.209 0.052 -0.217
  Significance. (2-tailed) 0.040* 0.043* 0.039* 0.042* 0.036* 0.05 0.038* 0.651 0.012*
Abbreviations: VSx: Volume of lung spared X Gy; MLD: Mean Lung Dose; TLV: Total Lung Volume; RP: Radiation Pneumonitis; *p-value statistically significant at < 0.05
Table 4: Correlation of Dose-volume histogram (DVH) data with RP grade ≥ 3.