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Table 1 Baseline characteristics of advanced squamous cell carcinoma of the hypopharynx by primary treatment.

From: Treatment patterns and survival outcomes of advanced hypopharyngeal squamous cell carcinoma

VariableAllSurgeryCCRT
n(%)n(%)n(%)
Total652 213 439 
Sex
 Female13(2.0)1(7.7)12(92.3)
 Male639(98.0)212(33.2)427(66.8)
Age (years)
 < 65565(86.7)184(32.6)381(67.4)
 ≥ 6587(13.3)29(33.3)58(66.7)
 Mean (SD)53(10.0)53(9.6)53(10.3)
T classification
 T130(4.6)10(33.3)20(66.7)
 T281(12.4)23(28.4)58(71.6)
 T3146(22.4)63(43.2)83(56.8)
 T4395(60.6)117(29.6)278(70.4)
N classification
 N0100(15.3)30(30.0)70(70.0)
 N199(15.2)48(48.5)51(51.5)
 N2369(56.6)127(34.4)242(65.6)
 N384(12.9)8(9.5)76(90.5)
Overall stages
 III91(14.0)44(48.4)47(51.6)
 IVA412(63.2)147(35.7)265(64.3)
 IVB149(22.8)22(14.8)127(85.2)
Histology grade
 WD/MD SCC360(55.2)177(49.2)183(50.8)
 PD/UD90(13.8)27(30.0)63(70.0)
 Unclassified202(31.0)9(4.5)193(95.5)
  1. CCRT concurrent chemoradiotherapy, WD well-differentiated squamous cell carcinoma, MD moderately differentiated squamous cell carcinoma, PD poorly differentiated squamous cell carcinoma, UD undifferentiated carcinoma