Computational and Mathematical Methods in Medicine / 2014 / Article / Tab 2 / Research Article
Optimal Installation Locations for Automated External Defibrillators in Taipei 7-Eleven Stores: Using GIS and a Genetic Algorithm with a New Stirring Operator Table 2 Comparison of results for different AED service ranges when the number of 7-Eleven convenience stores is limited to 100, 150, or 200.
Parameter 100 stores for AED installation 150 stores for AED installation 200 stores for AED installation AED service range 7-Eleven stores (N = 677)
OHCA (M = 1625) Weighting scheme Coverable OHCA cases Coverable OHCA weights Coverable OHCA cases Coverable OHCA weights Coverable OHCA cases Coverable OHCA weights 100 meters 262 (38.70%) 323 (19.88%) TWM 180 (55.73%) 56.23% 230 (71.21%) 73.04% 280 (86.69%) 88.40% SWM 176 (54.49%) 71.63% 229 (70.90%) 87.85% 278 (86.07%) 95.99% 150 meters 418 (61.74%) 623 (38.34%) TWM 313 (50.24%) 48.47% 398 (63.88%) 61.85% 461 (74.00%) 72.46% SWM 292 (46.87%) 61.65% 375 (60.19%) 73.47% 440 (70.63%) 83.23% 200 meters 527 (77.84%) 908 (55.88%) TWM 446 (49.12%) 47.16% 568 (62.56%) 60.57% 644 (70.93%) 70.01% SWM 418 (46.04%) 61.09% 522 (57.49%) 71.83% 618 (68.06%) 80.20% 250 meters 595 (87.89%) 1117 (68.74%) TWM 584 (52.28%) 50.81% 723 (64.73%) 63.15% 818 (73.23%) 72.58% SWM 549 (49.15%) 61.04% 674 (60.34%) 74.43% 781 (69.92%) 80.6% 300 meters 623 (92.02%) 1271 (78.22%) TWM 704 (55.39%) 53.88% 861 (67.74%) 66.42% 999 (78.60%) 77.43% SWM 658 (51.77%) 66.25% 827 (65.07%) 76.01% 951 (74.82%) 82.57% 350 meters 646 (95.57%) 1380 (84.92%) TWM 834 (60.43%) 59.27% 1014 (73.48%) 72.10% 1125 (81.52%) 81.04% SWM 804 (58.26%) 69.58% 969 (70.22%) 80.85% 1098 (79.57%) 86.17% 400 meters 657 (97.05%) 1440 (88.62%) TWM 920 (63.89%) 63.23% 1107 (76.88%) 76.20% 1261 (87.57%) 86.89% SWM 880 (61.11%) 74.81% 1068 (74.17%) 83.67% 1204 (83.61%) 89.55% 450 meters 660 (97.49%) 1473 (90.65%) TWM 1037 (70.40%) 69.32% 1227 (83.30%) 82.40% 1337 (90.77%) 90.28% SWM 989 (67.14%) 76.37% 1184 (80.38%) 87.07% 1300 (88.26%) 92.22% 500 meters 664 (98.08%) 1501 (92.37%) TWM 1148 (76.48%) 75.26% 1307 (87.08%) 86.61% 1400 (93.27%) 92.72% SWM 1126 (75.02%) 81.00% 1277 (85.08%) 89.15% 1376 (91.67%) 94.83%