Copyright
©The Author(s) 2017.
World J Gastrointest Endosc. Jul 16, 2017; 9(7): 296-303
Published online Jul 16, 2017. doi: 10.4253/wjge.v9.i7.296
Published online Jul 16, 2017. doi: 10.4253/wjge.v9.i7.296
Table 1 Baseline characteristics of patients included n (%)
| Variable | July/August/September | April/May/June |
| Total number of ERCPs | 3065 | 3183 |
| Post-ERCP pancreatitis | 404 (13.2) | 402 (12.6) |
| Age (mean ± SD) | 58.9 ± 0.8 | 59.5 ± 0.9 |
| Female | 1672 (54.6) | 1617 (50.8) |
| Charleston Comorbidity Score | ||
| 0 | 190 (6) | 131 (4) |
| 1-2 | 490 (16) | 550 (17) |
| > 2 | 2385 (78) | 2503 (79) |
| Race | ||
| Caucasian | 1834 (64) | 1967 (66) |
| African American | 395 (14) | 441 (15) |
| Hispanic | 411 (14) | 311 (11) |
| Asian or Pacific Islander | 123 (4) | 96 (3) |
| Native American | 15 (1) | 23 (1) |
| Other | 98 (3) | 130 (4) |
| Median income ($) in zip code | ||
| 1-38999 | 836 (28) | 865 (28) |
| 39000-47999 | 636 (22) | 688 (22) |
| 48000-63999 | 726 (24) | 845 (27) |
| 64000+ | 819 (27) | 732 (23) |
| Hospital region | ||
| Northeast | 791.8 (26) | 819.5 (26) |
| Midwest | 679.2 (22) | 918.1 (29) |
| South | 997.6 (33) | 925.5 (29) |
| West | 596.9 (19) | 520.4 (16) |
| Hospital bed size | ||
| Small | 293.2 (10) | 343.3 (10) |
| Medium | 680.2 (22) | 728 (23) |
| Large | 2092 (68) | 2112 (67) |
| Hospital location | ||
| Rural | 43.2 (1) | 20.4 (1) |
| Urban | 3022 (99) | 3163 (99) |
- Citation: Schulman AR, Abougergi MS, Thompson CC. Assessment of the July effect in post-endoscopic retrograde cholangiopancreatography pancreatitis: Nationwide Inpatient Sample. World J Gastrointest Endosc 2017; 9(7): 296-303
- URL: https://www.wjgnet.com/1948-5190/full/v9/i7/296.htm
- DOI: https://dx.doi.org/10.4253/wjge.v9.i7.296