Intensity-Modulated Radiation Therapy for Rectal Carcinoma Can Reduce Treatment Breaks and Emergency Department Visits

Table 1

Patient characteristics.

Characteristic	3DCRT (𝑛=56)	IMRT (𝑛=30)	𝑃 value
Mean age (years)	56.3	52.7	0.23
Male/female (𝑛) (%)	40/16 (71/29)	15/15 (50/50)	0.06
Total elapsed days (mean)	40.5	38.7	0.081
Treatment suspended (𝑛) (%)	11 (20%)	0 (0)	0.0002
Median total dose (cGy)	5040	5040	0.23
Chemotherapy types (𝑛) (%)			0.71
Capecitabine or 5-FU	45 (80)	27 (90)
Capecitabine/oxaliplatin	7(12)	3 (10)
Capecitabine/CPT-11	1 (2)	0
5-FU/leucovorin/oxaliplatin	3 (5)	0
Preoperative T stage (𝑛) (%)			0.85
T2	0	1 (3)
T3	51 (91)	27 (90)
T4	5 (9)	2 (7)
Preoperative N stage (𝑛) (%)			0.21
N0/x	26 (46)	10 (33)
N1/N2	30 (54)	20 (67)
Preoperative M stage (𝑛)%			0.91
M0	52 (93)	27 (90)
M1	4 (7)	3 (10)
Pathological complete response (%)	21%	20%	0.555
Downstaging T stage (%)	50	60	0.26
Downstaging N stage (%)	34	40	0.37