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Table 2 Incidence of pulmonary toxicity related to time after total body irradiation according to the groups classified by the dose rate

From: Effect of dose rate on pulmonary toxicity in patients with hematolymphoid malignancies undergoing total body irradiation

  Reduced group, dose rate < 6 cGy/min (N = 23) Conventional group, dose rate ≥ 6 cGy/min (N = 54) P-value
Follow-up time (month) 10.6 (0.7–30.6) 12.6 (0.5–191.9) 0.114b
Overall Pulmonary toxicity 10 (43.5%) 40 (74.1%) 0.010a
 Infectious PT 8 (34.8%) 28 (51.9%)  
 Non-infectious PT 2 (8.7%) 12 (21.8%)  
3 month - Pulmonary toxicity 5 (21.7%) 20 (37.1%) 0.085b
6 month - Pulmonary toxicity 9 (39.7%) 28 (52.3%) 0.085b
Time to PT after TBI (month) 3.7 ± 3.4 (0.5–11.8) 5.2 ± 6.5 (0.1–30.9) 0.085b
  1. PT Pulmonary toxicity
  2. aP by chi-square test
  3. bP by log-rank test