This is an HTML version of an attachment to the Official Information request 'Vaccination reporting methods, by active DHB patients or by provider patient databases?'.
Appendix 2
Publicly funded hospital discharges, selected diagnoses, 2011/12-2020/21
Totals are drawn from ICD-10 codes I05-I09, I20-I52:
I05-I09  Chronic rheumatic heart diseases
I20-I25  Ischaemic heart diseases
I26–I28  Pulmonary heart disease and diseases of pulmonary circulation 
I30-I52  Other forms of heart disease

Please note that data from 2019/2020 onwards are provisional.
Extracted 2 Februrary 2022
2011/12
2012/13
2013/14
2014/15
2015/16
2016/17
2017/18
2018/19
2019/20
2020/21
1011 Northland DHB
1807
1873
1855
1804
1978
2090
2195
2286
2242
2639
1021 Waitemata DHB
5944
6082
6165
6121
6346
6621
7037
7057
6754
7563
1022 Auckland DHB
5945
6271
5995
5929
6372
6610
6809
7094
6907
7369
1023 Counties Manukau DHB
4587
4361
4440
4355
4514
4648
4797
4925
4973
5017
2031 Waikato DHB
5761
5642
5573
5580
5942
6380
6598
6624
6811
7240
2042 Lakes DHB
1099
1302
1176
1110
1236
1381
1348
1451
1272
1389
2047 Bay of Plenty DHB
2692
2546
2805
2856
2852
3098
3127
3164
3185
3580
2051 Tairawhiti DHB
449
435
410
343
416
391
422
472
532
565
2071 Taranaki DHB
1434
1644
1469
1461
1530
1548
1578
1570
1602
1778
3061 Hawkes Bay DHB
2135
1967
1979
2176
1997
2090
2222
2433
2350
2451
3081 MidCentral DHB
1878
1998
1915
1916
2120
2052
1936
2021
1932
2131
3082 Whanganui DHB
801
781
818
873
841
880
866
952
995
1054
3091 Capital and Coast DHB
4245
4337
4361
4518
4797
4945
4929
5046
5124
5549
3092 Hutt Valley DHB
1161
1326
1159
1219
1168
1246
1262
1366
1353
1379
3093 Wairarapa DHB
492
484
507
481
542
519
527
452
516
561
3101 Nelson Marlborough DHB
1885
1825
1661
1819
1721
1866
1884
1948
1960
2106
4111 West Coast DHB
351
328
336
352
334
366
427
407
403
481
4121 Canterbury DHB
6045
5775
5868
5578
6122
6417
6225
6192
6184
6416
4123 South Canterbury DHB
770
739
731
672
713
731
662
695
708
702
4160 Southern DHB
3360
3358
3529
3596
3658
3731
3661
3650
3766
4090
under the Official Information Act 1982
9999 Non-DHB agency
2306
2110
2103
2384
2305
2019
2000
1738
1494
1053
Total
55147
55184
54855
55143
57504
59629
60512
61543
61063
65113
Released