Propensity-matched analysis of three different chemotherapy sequences in patients with locoregionally advanced nasopharyngeal carcinoma treated using intensity-modulated radiotherapy

Table 2 Summary of treatments for the 147 propensity-matched patients

Treatment	CCRT group (n = 49)	IC plus RT group (n = 49)	IC plus CCRT group (n = 49)	P value
RT dose (Gy)				0.004^*
Median (range)	68 (68–72)	70 (68–72)	70 (68–72)
RT days				0.419^*
Median (range)	44 (40–54)	43 (40–54)	44 (40–55)
IC regimen				0.838^†
PF	-	28 (57.1 %)	29 (59.2 %)
TP	-	21 (42.9 %)	20 (40.8 %)
IC cycles				0.170^†
Two cycles	-	33 (67.3 %)	39 (79.6 %)
Three cycles	-	16 (32.7 %)	10 (20.4 %)
CCRT cycles				0.233^†
Two cycles	40 (81.6 %)	-	45 (91.8 %)
Three cycles	9 (18.4 %)	-	4 (8.2 %)

Abbreviations: IC induction chemotherapy, RT radiotherapy; CCRT concurrent chemoradiotherapy
^*P-values were calculated using ANOVA
^†P-values were calculated using the Chi-square test (or Fisher’s exact test, if the expected number was less than five in at least 25 % of the cells)

ISSN: 1471-2407