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Table 2 Characteristics of breast implants in mastectomy-treated breast cancer patients in the Surveillance, Epidemiology, and End Results Breast Implant Surveillance Study, 1983–1989 (n = 866)a

From: Breast implants following mastectomy in women with early-stage breast cancer: prevalence and impact on survival

  Silicone gel (n = 333) Saline (n = 149) Double lumen (n = 314) Other (n = 33) Unknown (n = 37) P value
  n % n % n % n % n %  
Prevalence of type   38.4   17.2   36.3   3.8   4.3  
Implant removal status            
   No known removal 244 73.3 77 51.7 216 64.9 15 45.5 25 67.6 0.0001
   Removed 89 26.7 72 48.3 98 31.2 18 54.5 12 32.4  
Implant replacement status            
   No known replacement 262 78.7 87 58.4 237 75.4 17 51.5 26 70.3 0.0001
   Replaced 71 21.3 62 41.6 77 24.5 16 48.5 11 29.7  
  1. aExcludes 133 patients with missing implant information and 19 patients with bilateral implants of disordant types