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Appendix (continued)

Appendix Table 6 – The Spread of Technology: The Case of Stents
Facility 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Auckland National Womens No of Stents 153 259 138 0 0 0 0 0 0 0
Length of Stay 5.48 4.05 3.07              
Average Age 58.81 61.19 61.41              
Clinical Complications                    
Auckland Greenlane No of Stents 0 0 371 537 611 705 785 897 489 0
Length of Stay     3.28 3.31 2.61 2.61 2.45 2.49 2.48  
Average Age     60.36 59.93 59.73 60.48 61.54 62.17 62.05  
Clinical Complications       1.7 1.72 1.78 1.80 1.84 1.74  
Auckland No of Stents 0 0 0 5 3 6 0 2 0 0
Length of Stay       3.75 4.67 4.50   4.50    
Average Age       61.75 62.33 56.17   59.50    
Clinical Complications       1 1 1.5   2.5    
Auckland City Hospital No of Stents 0 0 0 0 0 0 0 0 582 565
Length of Stay                 2.38 2.95
Average Age                 60.54 61.73
Clinical Complications                 1.82 1.78
Capital & Coast Wellington No of Stents 7 67 194 342 355 429 649 679 737 404
Length of Stay 4.86 2.36 2.39 2.45 2.07 1.87 1.55 1.59 1.48 1.85
Average Age 56.38 58.64 60.09 61.88 61.4 60.77 61.55 61.54 61.89 61.34
Clinical Complications       1.28 1.37 1.50 1.36 1.35 1.40 1.54
Capital & Coast Kenepura No of Stents 0 0 0 0 0 1 0 0 0 0
Length of Stay           13        
Average Age           80        
Clinical Complications           4        
Canterbury Christchurch No of Stents 1 5 12 156 549 590 612 649 704 359
Length of Stay 8 5.20 7.33 7.46 5.67 6.24 5.5 5.32 4.76 5.2
Average Age 42 58.00 54.17 60.44 62.56 63.02 62.64 62.09 63.43 63.06
Clinical Complications       1.73 1.69 1.6 1.81 1.76 1.97 1.96
Otago Dunedin No of Stents 55 208 326 294 319 320 312 317 363 184
Length of Stay 6.35 4.26 4.08 3.19 3.38 4.04 3.37 3.58 3.48 3.72
Average Age 63.16 58.41 61.08 60.34 61.28 61.77 62.8 63.13 64.62 63.76
Clinical Complications       1.70 1.84 1.7 1.86 1.86 1.77 1.85
Waikato No of Stents 9 43 109 163 261 296 399 439 496 323
Length of Stay 9.22 5.72 5.75 5.02 4.88 4.67 4.57 4.49 4.07 4.03
Average Age 58.22 57.79 59.3 60.15 62.27 61.74 61.99 60.71 61.67 62.18
Clinical Complications       1.58 1.88 1.73 1.62 1.7 1.56 1.65
Manukau No of Stents 0 0 1 9 19 10 14 8 4 5
Length of Stay     8 5 5.26 4.70 5.43 5.75 8.25 7.60
Average Age     57 59.33 55.37 56.90 58.29 57.5 60.25 67.40
Clinical Complications       1.33 1.74 1.20 1.29 2.13 1.00 2.00
Mid Central Palmerston North No of Stents 0 0 0 1 0 0 0 0 1 0
Length of Stay       2         1  
Average Age       63         79  
Clinical Complications       2         1  
Hutt Valley
Hutt Hospital		 No of Stents 0 0 0 0 2 3 11 0 0 1
Length of Stay         21 5.33 3     2
Average Age         67.50 52.67 54.00     50
Clinical Complications         3.00 1.33 1.09     1
Nelson Marlborough No of Stents 0 0 0 0 0 0 0 1 0 0
Length of Stay               1    
Average Age               70    
Clinical Complications               3    
Mercy, Auckland No of Stents 0 0 0 0 0 0 0 0 7 0
Length of Stay                 0  
Average Age                 63.86  
Clinical Complications                 0.43  

Appendix Table 7 – The Use of an Older Technology across Different DHBs: The Case of CABGs

Facility 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Auckland No of CABGs 502 467 641 697 702 670 776 817 681 281
Length of Stay 13.24 13.36 12.28 12.32 11.74 11.99 11.02 11.64 11.88 13.46
Average Age 62.64 64.21 63.41 63.87 64 64.34 65.18 64.87 64.34 65.42
Clinical Complications       2.68 2.65 2.71 2.56 2.63 2.62 2.87
Capital & Coast No of CABGs 233 207 213 266 295 465 318 338 397 159
Length of Stay 12.82 12.8 12.97 11.52 10.46 9.53 10.26 10.99 9.87 9.84
Average Age 62.34 62.6 63.66 64.29 63.46 63.54 63.49 65.21 65.13 63.91
Clinical Complications       2.05 1.7 1.72 2.2 1.99 2.19 2.15
Canterbury No of CABGs 0 0 5 141 224 263 256 244 275 141
Length of Stay     7.6 15.79 18.38 16.52 17.07 12.32 14.72 16.1
Average Age     62.2 63.8 65.11 65.31 65 64.65 65.29 64.54
Clinical Complications       2.76 2.69 2.42 2.5 2.46 2.67 2.62
Otago No of CABGs 371 349 429 281 128 35 17 156 186 85
Length of Stay 13.67 13.69 12.22 13.06 11.96 11.14 9.59 13.23 16.52 13.45
Average Age 63.75 63.58 64.81 64.65 65.08 66.89 67.47 66.99 66.03 65.69
Clinical Complications       2.83 3.01 2.94 2.11 2.67 3.01 2.72
Waikato No of CABGs 284 355 317 287 316 341 398 339 326 153
Length of Stay 12.17 12.26 14.95 14.45 14.06 14.54 14.1 13.74 14.7 16.11
Average Age 63.16 61.43 64.39 63.75 64.47 63.24 63.63 64.18 64.58 64.6
Clinical Complications       2.39 2.59 2.4 2.26 2.16 2.47 2.57
Manukau No of CABGs 0 0 1 0 0 0 0 0 0 0
Length of Stay     7              
Average Age     66              
Clinical Complications                    
Hawkes Bay No of CABGs 0 0 0 0 0 0 0 0 0 0
Length of Stay                    
Average Age                    
Clinical Complications                    
Wakefield No of CABGs 24 0 0 0 0 0 2 0 0 0
Length of Stay 8.42           7.5      
Average Age 60.39           58      
Clinical Complications             0      
Taranaki No of CABGs 0 0 0 1 0 0 0 0 0 0
Length of Stay       10            
Average Age       76            
Clinical Complications                    
Mercy, Auckland. No of CABGs 0 0 0 7 0 0 0 0 0 0
Length of Stay       8.86            
Average Age       63.71            
Clinical Complications                    
Heart Surgery Sth Island No of CABGs 0 0 0 0 95 188 197 77 0 0
Length of Stay         8.52 9.87 9.33 8.9    
Average Age         65.59 65.09 66.66 67.27    
Clinical Complications         2.45 2.79 2.74 2.75    
St Georges No of CABGs 0 0 0 0 0 0 0 0 0 1
Length of Stay                   22
Average Age                   69
Clinical Complications                   2
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