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Table 1 Demographics of the participants

From: The association of genetic polymorphisms in interleukin-1 receptors type 1 and type 2 with age-related hearing impairment in a Taiwanese population: a case control study

 MaleFemaleTotal
Number400 (56.1%)313 (43.9%)713 (100%)
Age (Years)72.42 ± 6.1471.56 ± 5.7172.04 ± 5.96
Bilateral PTA average (dBHL)67.96 ± 18.8755.27 ± 18.9362.36 ± 19.92
Occupational noise exposure178 (44.5%)54 (17.3%)232 (32.5%)
ARHI grouping
 ARHI susceptible142 (35.5%)40 (12.8%)182 (25.5%)
 Intermediate197 (49.2%)158 (50.5%)355 (49.8%)
 ARHI resistant61 (15.2%)115 (36.7%)176 (24.7%)
Genotype
 IL1R1
  rs3917225
   AA130 (32.5%)112 (35.8%)242 (33.9%)
   AG188 (47.0%)137 (43.8%)325 (45.6%)
   GG60 (15.0%)46 (14.7%)106 (14.9%)
   Undetermined22 (5.5%)18 (5.8%)40 (5.6%)
  rs2234650
   CC225 (56.2%)146 (46.6%)371 (52.0%)
   CT141 (35.2%)136 (43.5%)277 (38.8%)
   TT25 (6.2%)20 (6.4%)45 (6.3%)
   Undetermined9 (2.8%)11 (3.5%)20 (2.8%)
 IL1R2
  rs4141134
   TT356 (89.0%)277 (88.5%)633 (88.8%)
   TC32 (8.0%)21 (6.7%)53 (7.4%)
   CC0 (0)0 (0)0 (0)
   Undetermined12 (3.0%)15 (4.8%)27 (3.8%)
  rs2071008
   GG223 (55.8%)188 (60.1%)411 (57.6%)
   GT138 (34.5%)99 (31.6%)237 (33.2%)
   TT16 (4.0%)13 (4.2%)29 (4.1%)
   Undetermined23 (5.8%)13 (4.2%)36 (5.0%)
Allele
 IL1R1
  rs3917225
   A448 (59.3%)361 (61.2%)809 (60.1%)
   G308 (40.7%)229 (38.8%)537 (39.9%)
  rs2234650
   C591 (75.6%)428 (70.9%)1019 (73.5%)
   T191 (24.4%)176 (29.1%)367 (26.5%)
 IL1R2
  rs4141134
   T744 (95.9%)575 (96.5%)1319 (96.1%)
   C32 (4.1%)21 (3.5%)53 (3.9%)
  rs2071008
   G584 (77.5%)475 (79.2%)1059 (78.2%)
   T170 (22.5%)125 (20.8%)295 (21.8%)