Any Hospitalization in People With OA Diagnosis, n = 6,640,693a | Serious Infection Hospitalization in People Without OA, n = 46,708,154a | Serious Infection Hospitalization in People With OA, n = 3,258,416a | |
---|---|---|---|
Age, yrs, mean (SE); median | 73.0 (0.03); 74.8 | 58.7 (0.09); 63.7 | 75.1 (0.03); 77.1 |
Age category, yrs | |||
< 50 (%) | 1,955,351 (6.08) | 13,938,324 (30.07) | 144,347 (4.45) |
50–< 65 | 6,223,753 (19.35) | 9,457,702 (20.40) | 538,309 (16.61) |
65–79 | 11,902,974 (37.01) | 12,176,601 (26.27) | 1,111,384 (34.29) |
≥ 80 | 12,079,521 (37.56) | 10,778,643 (23.25) | 1,446,991 (44.65) |
Sex | |||
Male | 10,728,960 (33.36) | 22,340,303 (48.22) | 1,118,888 (34.53) |
Female | 21,428,319 (66.64) | 23,984,951 (51.78) | 2,121,736 (65.47) |
Race | |||
White | 21,389,350 (66.50) | 27,497,186 (59.30) | 2,261,686 (69.78) |
Black | 3,070,053 (9.55) | 5,085,488 (10.97) | 257,590 (7.95) |
Hispanic | 1,598,330 (4.97) | 4,046,213 (8.73) | 175,664 (5.42) |
Other/missing | 6,104,736 (18.98) | 9,740,081 (21.01) | 546,113 (16.85) |
Deyo-Charlson Comorbidity Index | |||
0 | 7,796,316 (24.24) | 15,010,295 (32.37) | 673,534 (20.78) |
1 | 8,207,134 (25.52) | 12,024,008 (25.93) | 913,367 (28.18) |
≥ 2 | 16,160,294 (50.24) | 19,339,287 (41.70) | 1,654,313 (51.04) |
Income category, percentile | |||
0–25th | 8,318,330 (26.38) | 12,090,341 (26.71) | 889,336 (27.97) |
> 25–50th | 8,816,928 (27.96) | 12,399,653 (27.40) | 905,655 (28.48) |
> 50–75th | 7,663,994 (24.31) | 10,862,479 (24.00) | 755,089 (23.75) |
> 75–100th | 6,730,793 (21.35) | 9,905,646 (21.89) | 629,460 (19.80) |
Insurance | |||
Private | 5,069,319 (15.79) | 10,578,781 (22.86) | 378,109 (11.68) |
Medicare | 24,279,386 (75.61) | 24,878,546 (53.77) | 2,597,031 (80.24) |
Medicaid | 1,734,792 (5.40) | 6,913,725 (14.94) | 173,718 (5.37) |
Other | 603,564 (1.88) | 1,455,988 (3.15) | 46,523 (1.44) |
Self | 426,151 (1.33) | 2,444,533 (5.28) | 41,283 (1.28) |
Hospital location/teaching | |||
Rural | 5,291,083 (16.49) | 6,481,258 (14.72) | 551,438 (17.91) |
Urban nonteaching | 13,400,262 (41.77) | 17,919,939 (40.70) | 1,336,070 (43.40) |
Urban teaching | 13,386,218 (41.73) | 19,630,903 (44.58) | 1,190,903 (38.69) |
Discharge status | |||
Rehabilitation or skilled nursing facility | 9,170,864 (29.24) | 10,594,684 (24.73) | 1,072,873 (34.92) |
Home | 22,190,318 (70.76) | 32,245,769 (75.27) | 1,999,149 (65.08) |
Length of stay in days | |||
≤ 3 | 14,857,065 (46.19) | 19,001,734 (40.98) | 1,119,995 (34.55) |
> 3 | 17,306,680 (53.81) | 27,371,856 (59.02) | 2,121,219 (65.45) |
Died during hospitalization | 607,104 (1.89) | 2,929,186 (6.32) | 149,883 (4.63) |
Length of stay in days, mean (SE); median | 5.2 (0.01); 3.3 | 6.0 (0.01); 3.7 | 5.7 (0.01); 4.0 |
Total hospital charges, USDb | |||
≤ Median | 12,430,982 (38.65) | 19,750,315 (42.59) | 1,405,007 (43.35) |
> Median | 19,732,763 (61.35) | 26,623,275 (57.41) | 1,836,207 (56.65) |
Total hospital charges, USD, mean (SE); median | 1 31,324 (166); 18,626 | 34,872 (169); 16,754 | 31,085 (180); 17,942 |
1998–2000 | 12,510 (160); 8360 | 11,709 (192); 8063 | 18,474 (343); 9629 |
2015–2016 | 49,808 (414); 31,983 | 54,383 (444); 28,862 | 45,242 (406); 27,977 |
Values are n (%) unless indicated otherwise.
↵aAll the rates and frequencies are national level estimates based on the sampling weights as recommended by the US NIS.
↵bMedian total charges in US dollars were available for each calendar year and were as follows: 1998, $5775; 1999, $6060; 2000, $6723; 2001, $7504; 2002, $8601; 2003, $9732; 2004, $9918; 2005, $10,816; 2006, $12,078; 2007, $13,001; 2008, $13,983; 2009, $14,814; 2010, $15,560; 2011, $17,815; 2012, $19,654; 2013, $21,166; 2014, $22,343; 2015, $23,678; 2016, $25,261. NIS: National Inpatient Sample; OA: osteoarthritis; SE: standard error.