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Table 2 Basic information on PDVs and rescuers in 225 rescue incidents, n (%)

From: Mortality among drowning rescuers in China, 2013: a review of 225 rescue incidents from the press

  PDVs Rescuers Chi-Square p-value
Total 271 416   
Average number of persons per incident 1.2 1.9 59.9 <0.01
Gender
 Male 139(55.4) 373(91.0) 113.0 <0.01
 Female 112(44.6) 37(9.0)
 Total 251 410
Being an adult
 Yes 141(54.2) 337(81.6) 58.1 <0.01
 No 119(45.8) 76(18.4)
 Total 260 413
Being a swimmer
 Yes 18(8.1) 251(79.9) 269.4 <0.01
 No 205(91.9) 63(20.1)
 Total 223 314
Being a survivor
 Yes 239(88.5) 359(86.7) 0.5 0.49
 No 31(11.5) 55(13.3)
 Total 270 414
  1. The inconsistencies among the total frequencies of certain variables were caused by missing data