Table 3.
Gallstone and alcoholic acute pancreatitis: numbers of cases, deaths and mortality rates according to factors, 1999 to 2010
| Gallstone acute pancreatitis | Alcoholic acute pancreatitis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Factor | No. of cases | No. of deaths | Mortality rate (60 days) | Adjusted 60 day mortality odds ratio † (95% CI) | No. of cases | No. of deaths | Mortality rate (60 days) | Adjusted 60 day mortality odds ratio † (95% CI) | ||
| 30 days | 60 days | 30 days | 60 days | |||||||
| All cases | 3903 | 152 | 201 | 5.2% | 2327 | 58 | 72 | 3.1% | ||
| Age group: | ||||||||||
| <35 | 460 | 2 | 2 | 0.4% | 560 | 2 | 3 | 0.5% | ||
| 35-44 | 349 | 1 | 1 | 0.3% | 674 | 11 | 15 | 2.2% | ||
| 45-54 | 537 | 5 | 7 | 1.3% | 575 | 18 | 22 | 3.8% | ||
| 55-64 | 745 | 15 | 21 | 2.8% | 305 | 16 | 20 | 6.6% | ||
| 65-74 | 763 | 31 | 43 | 5.6% | 93 | 3 | 4 | 4.3% | ||
| 75-84 | 727 | 55 | 77 | 10.6% | 45 | 5 | 5 | 11.1% | ||
| 85+ | 324 | 43 | 50 | 15.4% | 9 | 3 | 3 | 33.3% | ||
| Sex: | ||||||||||
| Men | 1548 | 75 | 97 | 6.3% | 1.00 Ref | 1809 | 41 | 51 | 2.8% | 1.00 Ref |
| Women | 2355 | 77 | 104 | 4.4% | 0.72 (0.53,0.97)* | 518 | 17 | 21 | 4.1% | 1.46 (0.86, 2.48) |
| Social deprivation: | ||||||||||
| I (least deprived) | 673 | 24 | 34 | 5.1% | 1.00 Ref | 245 | 6 | 7 | 2.9% | 1.00 Ref |
| II | 746 | 24 | 29 | 3.9% | 0.76 (0.45, 1.27) | 273 | 9 | 11 | 4.0% | 1.74 (0.65, 4.69) |
| III | 824 | 31 | 43 | 5.2% | 1.08 (0.67, 1.73) | 359 | 13 | 13 | 3.6% | 1.61 (0.61, 4.40) |
| IV | 768 | 37 | 49 | 6.4% | 1.43 (0.90, 2.27) | 571 | 19 | 23 | 4.0% | 1.80 (0.78, 4.64) |
| V (most deprived) | 894 | 36 | 46 | 5.1% | 1.34 (0.84, 2.14) | 879 | 11 | 18 | 2.0% | 0.95 (0.38, 2.57) |
| Size of hospital: | ||||||||||
| Small hospitals | 612 | 20 | 26 | 4.3% | 1.00 Ref | 240 | 3 | 5 | 2.1% | 1.00 Ref |
| Medium hospitals | 1588 | 59 | 75 | 4.7% | 1.27 (0.80, 2.02) | 942 | 27 | 32 | 3.4% | 1.67 (0.63, 4.18) |
| Large hospitals | 1419 | 65 | 86 | 6.1% | 1.69 (1.07, 2.67)* | 1029 | 26 | 31 | 3.0% | 1.39 (0.53, 3.66) |
| Other hospitals | 39 | 1 | 3 | 7.7% | 1.13 (0.32, 3.97) | 14 | 0 | 1 | 7.1% | 1.74 (0.17, 18.2) |
| Week day of admission: | ||||||||||
| Weekday | 2860 | 116 | 153 | 5.3% | 1.00 Ref | 1226 | 41 | 52 | 4.2% | 1.00 Ref |
| Weekend | 963 | 34 | 45 | 4.7% | 0.83 (0.59, 1.18) | 535 | 15 | 16 | 3.0% | 0.89 (0.50, 1.60) |
| Public holiday | 82 | 2 | 3 | 3.7% | 0.73 (0.22, 2.40) | 66 | 2 | 4 | 6.1% | 1.84 (0.62, 5.47) |
| Month of admission: | ||||||||||
| Except in August | 3555 | 141 | 183 | 5.1% | 1.00 Ref | 2103 | 49 | 60 | 2.9% | 1.00 Ref |
| August | 348 | 11 | 18 | 5.2% | 1.15 (0.69, 1.92) | 224 | 9 | 12 | 5.4% | 1.87 (0.96, 3.63) |
| Except in August –Sept | 3258 | 131 | 168 | 5.2% | 1.00 Ref | 1911 | 40 | 51 | 2.7% | 1.00 Ref |
| August – Sept | 645 | 21 | 33 | 5.1% | 1.07 ( 0.72, 1.59) | 416 | 18 | 21 | 5.0% | 1.93 (1.13,3.03)* |
| Except in August-October | 2905 | 121 | 157 | 5.4% | 1.00 Ref | 1707 | 31 | 41 | 2.4% | 1.00 Ref |
| August – October | 998 | 31 | 44 | 4.4% | 0.84 (0.59, 1.19) | 620 | 27 | 31 | 5.0% | 2.02 (1.23,3.29)* |
| First European Working Time directive (Aug 2004) | ||||||||||
| Admitted Aug 01 – July 04 | 797 | 34 | 42 | 5.3% | 1.00 Ref | 479 | 8 | 13 | 2.7% | 1.00 Ref |
| Admitted Aug 2004 | 27 | 1 | 3 | 11.1% | 3.68 (0.93, 14.6) | 27 | 2 | 2 | 7.4% | 7.49 (1.25,44.8)* * |
| Admitted Aug – Sept 04 | 46 | 2 | 4 | 8.7% | 1.76 (0.56, 5.51) | 38 | 2 | 2 | 5.3% | 3.91 (0.70, 22.1) |
| Admitted Aug – Oct 04 | 66 | 4 | 6 | 9.1% | 1.90 (0.73, 4.96) | 51 | 2 | 2 | 3.9% | 2.80 (0.52, 15.0) |
| Admitted Aug 04 – July 05 | 304 | 10 | 16 | 5.3% | 1.11 (0.60, 2.06) | 182 | 6 | 6 | 3.3% | 1.77 (0.61, 5.19) |
| Second European Working Time directive (Aug 2009) | ||||||||||
| Admitted Aug 06 – Jul 09 | 1154 | 49 | 65 | 5.6% | 1.00 Ref | 711 | 14 | 18 | 2.5% | 1.00 Ref |
| Admitted Aug 2009 | 27 | 0 | 0 | 0% | 23 | 0 | 0 | 0% | ||
| Admitted Aug – Sept 09 | 66 | 0 | 1 | 1.5% | 0.26 (0.04, 1.95) | 40 | 0 | 0 | 0% | |
| Admitted Aug – Oct 09 | 105 | 1 | 2 | 1.9% | 0.33 (0.08, 1.41) | 67 | 1 | 1 | 1.5% | 0.46 (0.06, 3.70) |
| Admitted Aug 09 – July 10 | 426 | 14 | 20 | 4.7% | 0.81 (0.48, 1.37) | 281 | 5 | 7 | 1.8% | 0.92 (0.37, 2.30) |
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. Significant p values for gallstone acute pancreatitis are as follows: women = 0.032; large hospitals = 0.025.
** Denotes significance at the 1% level.
Significant p values for alcoholic acute pancreatitis are as follows: August - Sept = 0.017; August - October = 0.004; Admitted Aug 2004 = 0.027.
Ref = Reference category.