Table 1.
Number and frequency of discharges with gastroparesis by patient and hospital characteristics in 1997 and 2013 n (%)
| Factor |
1997 |
2013 |
||||
| Total | Gastroparesis | Gastroparesis per 10000 discharges | Total | Gastroparesis | Gastroparesis per 10000 discharges | |
| Total discharges, n | 33232257 | 3978 | 1.2 | 35597792 | 16460 | 4.62 |
| Age (yr), mean ± SE | 46.9 ± 0.37 | 53.1 ± 0.93 | - | 48.7 ± 0.20 | 46.5 ± 0.40 | - |
| Age (yr) | ||||||
| < 1 | 4272022 (12.9) | 4 (0.11) | 0.01 | 4232808 (11.9) | 55 (0.33) | 0.13 |
| 1-17 | 1766762 (5.3) | 88 (2.2) | 0.5 | 1393028 (3.9) | 735 (4.5) | 5.3 |
| 18-44 | 9074287 (27.3) | 1335 (33.6) | 1.5 | 8727809 (24.5) | 6825 (41.5) | 7.8 |
| 45-64 | 6226757 (18.7) | 1279 (32.1) | 2.1 | 8753270 (24.6) | 5985 (36.4) | 6.8 |
| 65-84 | 9645107 (29.0) | 1109 (27.9) | 1.1 | 9581434 (26.9) | 2530 (15.4) | 2.6 |
| 85+ | 2246309 (6.8) | 164 (4.1) | 0.73 | 2906938 (8.2) | 330 (2.0) | 1.1 |
| Gender | ||||||
| Male | 13635083 (41.0) | 1255 (31.5) | 0.92 | 15154195 (42.6) | 4565 (27.7) | 3 |
| Female | 19594784 (59.0) | 2724 (68.5) | 1.4 | 20436357 (57.4) | 11895 (72.3) | 5.8 |
| Race | ||||||
| White | 19121956 (72.8) | 2511 (76.0) | 1.3 | 22044881 (66.1) | 10255 (65.3) | 4.7 |
| Black | 3643618 (13.9) | 542 (16.4) | 1.5 | 4951772 (14.8) | 3455 (22.0) | 7 |
| Hispanic | 2399687 (9.1) | 149 (4.5) | 0.62 | 4079463 (12.2) | 1450 (9.2) | 3.6 |
| Other | 1116457 (4.2) | 104 (3.2) | 0.93 | 2285194 (6.8) | 555 (3.5) | 2.4 |
| Diabetes type I | ||||||
| No | 31704513 (95.4) | 3451 (86.7) | 1.09 | 35230452 (99.0) | 15690 (95.3) | 4.5 |
| Yes | 1527744 (4.6) | 527 (13.3) | 3.4 | 367340 (1.03) | 770 (4.7) | 21 |
| Diabetes type II | ||||||
| No | 30506553 (91.8) | 3561 (89.5) | 1.2 | 28484056 (80.0) | 12430 (75.5) | 4.4 |
| Yes | 2725703 (8.2) | 417 (10.5) | 1.5 | 7113736 (20.0) | 4030 (24.5) | 5.7 |
| Abdominal pain | ||||||
| No | 33090536 (99.6) | 3894 (97.9) | 1.2 | 35272547 (99.1) | 15460 (93.9) | 4.4 |
| Yes | 141721 (0.43) | 85 (2.1) | 6 | 325245 (0.91) | 1000 (6.1) | 30.7 |
| Nausea and vomiting | ||||||
| No | 33023309 (99.4) | 3641 (91.5) | 1.1 | 35111052 (98.6) | 14915 (90.6) | 4.2 |
| Yes | 208948 (0.6) | 338 (8.5) | 16.2 | 486740 (1.4) | 1545 (9.4) | 31.7 |
| PEG tube | ||||||
| No | 33123551 (99.7) | 3907 (98.2) | 1.2 | 35330272 (99.2) | 15805 (96.0) | 4.5 |
| Yes | 108706 (0.33) | 72 (1.8) | 6.6 | 267520 (0.75) | 655 (4.0) | 24.5 |
| CCI, mean ± SE | 2.1 ± 0.02 | 2.2 ± 0.10 | - | 2.5 ± 0.01 | 2.3 ± 0.04 | - |
| CCI | ||||||
| 0-1 | 17337338 (52.2) | 1704 (42.8) | 0.98 | 16487769 (46.3) | 7645 (46.4) | 4.6 |
| 2-3 | 6334834 (19.1) | 1141 (28.7) | 1.8 | 7119525 (20.0) | 4580 (27.8) | 6.4 |
| 4-5 | 6450519 (19.4) | 850 (21.4) | 1.3 | 6656101 (18.7) | 2660 (16.2) | 4 |
| 6-7 | 2260947 (6.8) | 255 (6.4) | 1.1 | 3543623 (10.0) | 1080 (6.6) | 3 |
| 8+ | 848620 (2.6) | 27 (0.69) | 0.32 | 1790774 (5.0) | 495 (3.0) | 2.8 |
| Primary payer | ||||||
| Medicare | 12070472 (36.4) | 1737 (43.8) | 1.4 | 13986550 (39.4) | 6290 (38.2) | 4.5 |
| Medicaid | 5449545 (16.4) | 422 (10.6) | 0.77 | 7417129 (20.9) | 3405 (20.7) | 4.6 |
| Private Insurance | 12814962 (38.7) | 1471 (37.1) | 1.1 | 10851650 (30.5) | 5215 (31.7) | 4.8 |
| Other | 2817077 (8.5) | 334 (8.4) | 1.2 | 3287333 (9.2) | 1540 (9.4) | 4.7 |
| Median household income (quartile) | ||||||
| 1 | 10702405 (34.1) | 1374 (37.1) | 1.3 | 10199933 (29.3) | 5165 (31.9) | 5.1 |
| 2 | 6426395 (20.5) | 703 (19.0) | 1.09 | 9174852 (26.4) | 4255 (26.3) | 4.6 |
| 3 | 4764143 (15.2) | 557 (15.1) | 1.2 | 8400391 (24.1) | 3755 (23.2) | 4.5 |
| 4 | 9469814 (30.2) | 1068 (28.8) | 1.1 | 7023922 (20.2) | 3015 (18.6) | 4.3 |
| Inflation-adjusted costs (2013 $), mean ± SE | 8248.8 ± 156.8 | 9198.2 ± 570.9 | 39513.3 ± 480.5 | 34585.3 ± 895.6 | ||
| Hospital region | ||||||
| Northeast | 6784680 (20.4) | 683 (17.2) | 1.01 | 6730965 (18.9) | 2730 (16.6) | 4.1 |
| Midwest | 7740558 (23.3) | 712 (17.9) | 0.92 | 8004912 (22.5) | 3245 (19.7) | 4.1 |
| South | 12373654 (37.2) | 2028 (51.0) | 1.6 | 13818031 (38.8) | 7940 (48.2) | 5.7 |
| West | 6333365 (19.1) | 554 (13.9) | 0.87 | 7043884 (19.8) | 2545 (15.5) | 3.6 |
| Hospital bed size | ||||||
| Small | 5284821 (16.0) | 480 (12.2) | 0.91 | 4884892 (13.7) | 1980 (12.0) | 4.1 |
| Medium | 11048191 (33.4) | 1328 (33.6) | 1.2 | 9512936 (26.7) | 4790 (29.1) | 5 |
| Large | 16765043 (50.7) | 2144 (54.2) | 1.3 | 21199964 (59.6) | 9690 (58.9) | 4.6 |
| Hospital location | ||||||
| Rural | 5165800 (15.6) | 655 (16.6) | 1.3 | 3954149 (11.1) | 1355 (8.2) | 3.4 |
| Urban | 27932254 (84.4) | 3297 (83.4) | 1.2 | 31643643 (88.9) | 15105 (91.8) | 4.8 |
| Hospital teaching status | ||||||
| Non-teaching hospital | 20931033 (63.2) | 2675 (67.7) | 1.3 | 17188858 (48.3) | 7150 (43.4) | 4.2 |
| Teaching hospital | 12167021 (36.8) | 1278 (32.3) | 1.05 | 18408934 (51.7) | 9310 (56.6) | 5.1 |
Data presented as Frequency (%) unless otherwise specified. SE: Standard error.