Characteristics of all patients, non-complainants, and complainants
| All patients in NZQHS, n (%)(n = 6579) | Injured non-complainants, n (%)(n = 847) | HDC complainants n (%)(n = 254) | p value† | |
|---|---|---|---|---|
| HDC, Health and Disability Commissioner. | ||||
| *Percentages were calculated using non-missing values as denominators. Ethnicity data were missing for 19 non-complainants (2.3%) and 65 complainants (25.6%); deprivation scores were missing for seven non-complainants (0.8%) and 17 complainants (6.7%); disability information was missing for 40 non-complaints (4.7%) and one complainant (0.4%). | ||||
| †p values were calculated for the difference between complainants and non-complainants using t test or χ2 test as appropriate. Hospitals were weighted to account for NZQHS cluster sampling methodology. | ||||
| Sex | 0.41 | |||
| Male | 2970 (45) | 379 (45) | 105 (41) | |
| Mean age (years) | 42.6 | 52.0 | 46.6 | 0.003 |
| Ethnicity* | 0.15 | |||
| Non-Maori/non-Pacific | 5131 (80) | 661 (80) | 160 (85) | |
| Maori | 1013 (16) | 135 (16) | 26 (14) | |
| Pacific | 240 (4) | 32 (4) | 3 (3) | |
| Deprivation quintile | <0.001 | |||
| 1 (least deprived) | 824 (13) | 96 (11) | 47 (20) | |
| 2 | 907 (14) | 128 (15) | 57 (24) | |
| 3 | 1354 (21) | 184 (22) | 46 (19) | |
| 4 | 1583 (24) | 205 (24) | 4 9 (21) | |
| 5 (most deprived) | 1834 (28) | 227 (27) | 38 (16) | |
| Disability | <0.001 | |||
| Temporary | – | 685 (85) | 105 (41) | |
| Permanent <50% | – | 66 (8) | 48 (19) | |
| Permanent >50% | – | 19 (2) | 30 (12) | |
| Death | – | 37 (5) | 71 (28) | |
| Preventability | <0.001 | |||
| Preventable | – | 313 (37) | 201 (79) | |