Table 2.
Acute pancreatitis: numbers of cases, deaths and mortality rates according to factors, 1999 to 2010
| All cases of acute pancreatitis | |||||
|---|---|---|---|---|---|
| Factor | No. of cases | No. of deaths | Mortality rate (60 days) | Adjusted 60 day mortality odds ratio † (95% CI) | |
| 30 days | 60 days | ||||
| All cases | 10 589 | 560 | 675 | 6.4% | |
| Age group: | |||||
| <35 | 1607 | 8 | 9 | 0.6% | |
| 35-44 | 1520 | 14 | 20 | 1.3% | |
| 45-54 | 1688 | 34 | 46 | 2.7% | |
| 55-64 | 1833 | 62 | 82 | 4.5% | |
| 65-74 | 1701 | 121 | 142 | 8.3% | |
| 75-84 | 1540 | 181 | 223 | 14.5% | |
| 85+ | 702 | 140 | 153 | 21.8% | |
| Sex: | |||||
| Men | 5584 | 260 | 325 | 5.8% | 1.00 Ref |
| Women | 5003 | 300 | 350 | 7.0% | 0.91 (0.77, 1.07) |
| Social deprivation: | |||||
| I (least deprived) | 1638 | 101 | 117 | 7.2% | 1.00 Ref |
| II | 1810 | 99 | 114 | 6.3% | 0.91 (0.69, 1.20) |
| III | 2118 | 104 | 132 | 6.2% | 0.94 (0.72, 1.23) |
| IV | 2256 | 137 | 160 | 7.1% | 1.24 (0.96, 1.60) |
| V (most deprived) | 2270 | 119 | 155 | 5.5% | 1.06 (0.82, 1.37) |
| Size of hospital: | |||||
| Small hospitals | 1452 | 65 | 82 | 5.7% | 1.00 Ref |
| Medium hospitals | 4537 | 233 | 278 | 6.1% | 1.23 (0.95, 1.60) |
| Large hospitals | 3893 | 228 | 270 | 6.9% | 1.53 (1.17, 1.98)* |
| Other hospitals | 106 | 4 | 9 | 8.5% | 0.90 (0.44. 1.89) |
| Week day of admission: | |||||
| Weekday | 7803 | 414 | 506 | 6.5% | 1.00 Ref |
| Weekend | 2563 | 136 | 156 | 6.1% | 0.89 (0.74, 1.08) |
| Public holiday | 226 | 10 | 13 | 5.8% | 0.89 (0.50, 1.61) |
| Month of admission: | |||||
| Except in August | 9623 | 509 | 608 | 6.3% | 1.00 Ref |
| August | 966 | 51 | 67 | 6.9% | 1.21 (0.92, 1.58) |
| Except in August – September | 8753 | 456 | 548 | 6.3% | 1.00 |
| August – September | 1836 | 104 | 127 | 6.9% | 1.20 (0.98, 1.48) |
| Except in August – October | 7812 | 396 | 481 | 6.2% | 1.00 |
| August – October | 2777 | 164 | 194 | 7.0% | 1.18 (0.99, 1.41) |
| First european working time directive (August 2004): | |||||
| Admitted Aug 01 – July 04 | 2375 | 149 | 168 | 7.1% | 1.00 Ref |
| Admitted Aug 2004 | 74 | 4 | 7 | 9.5% | 1.69 (0.72, 3.93) |
| Admitted Aug – Sept 04 | 124 | 7 | 10 | 8.1% | 1.10 (0.55, 2.20) |
| Admitted Aug – Oct 04 | 188 | 15 | 18 | 9.6% | 1.29 (0.75, 2.20) |
| Admitted Aug 04 – July 05 | 810 | 46 | 58 | 7.2% | 1.00 (0.72, 1.37) |
| Second european working time directive (August 2009): | |||||
| Admitted Aug 06 – Jul 09 | 2938 | 141 | 175 | 6.0% | 1.00 Ref |
| Admitted Aug 2009 | 93 | 1 | 3 | 3.2% | 0.47 (0.14, 1.56) |
| Admitted Aug – Sept 09 | 182 | 2 | 5 | 2.7% | 0.43 (0.17, 1.08) |
| Admitted Aug – Oct 09 | 280 | 8 | 11 | 3.9% | 0.62 (0.33, 1.18) |
| Admitted Aug 09 – July 10 | 1099 | 43 | 57 | 5.2% | 0.86 (0.62, 1.18) |
Notes.
† The odds ratio for sex is adjusted for age group. The odds ratios for all other factors are adjusted for age group and sex.
* Denotes significance at the 5% level. P-value = 0.002.
Ref = Reference category.