Table 1.
Demographic and clinical characteristics of the Intermountain Healthcare patients with asthma between 2005 and 2016.
| Characteristics | Data instances related to no asthma hospital visit in the subsequent year (n=303,976), n (%) | Data instances related to asthma hospital visits in the subsequent year (n=11,332), n (%) | Data instances (n=315,308), n (%) | ||||
| Gender | |||||||
|
|
Female | 181,928 (59.85) | 6163 (54.39) | 188,091 (59.65) | |||
|
|
Male | 122,048 (40.15) | 5169 (45.61) | 127,217 (40.35) | |||
| Age (years) | |||||||
|
|
≥65 | 46,260 (15.22) | 621 (5.48) | 46,881 (14.87) | |||
|
|
18 to 65 | 172,436 (56.73) | 5003 (44.15) | 177,439 (56.27) | |||
|
|
6 to <18 | 50,572 (16.64) | 2590 (22.86) | 53,162 (16.86) | |||
|
|
<6 | 34,708 (11.42) | 3118 (27.52) | 37,826 (12.00) | |||
| Ethnicity | |||||||
|
|
Non-Hispanic | 244,442 (80.41) | 8157 (71.98) | 252,599 (80.11) | |||
|
|
Hispanic | 27,014 (8.89) | 2279 (20.11) | 29,293 (9.29) | |||
|
|
Unknown or not reported | 32,520 (10.70) | 896 (7.91) | 33,416 (10.60) | |||
| Race | |||||||
|
|
White | 273,206 (89.88) | 9420 (83.13) | 282,626 (89.63) | |||
|
|
Native Hawaiian or other Pacific Islander | 3877 (1.28) | 411 (3.63) | 4288 (1.36) | |||
|
|
Black or African American | 5291 (1.74) | 460 (4.06) | 5751 (1.82) | |||
|
|
Asian | 2120 (0.70) | 77 (0.68) | 2197 (0.70) | |||
|
|
American Indian or Alaska Native | 2295 (0.76) | 214 (1.89) | 2509 (0.80) | |||
|
|
Unknown or not reported | 17,187 (5.65) | 750 (6.62) | 17,937 (5.69) | |||
| Duration of asthma (years) | |||||||
|
|
>3 | 76,810 (25.27) | 3666 (32.35) | 80,476 (25.52) | |||
|
|
≤3 | 227,166 (74.73) | 7666 (67.65) | 234,832 (74.48) | |||
| Insurance | |||||||
|
|
Self-paid or charity | 26,611 (8.75) | 1902 (16.78) | 28,513 (9.04) | |||
|
|
Public | 76,916 (25.30) | 3238 (28.57) | 80,154 (25.42) | |||
|
|
Private | 200,449 (65.94) | 6192 (54.64) | 206,641 (65.54) | |||
| Smoking status | |||||||
|
|
Never smoker or unknown | 251,501 (82.74) | 8952 (79.00) | 260,453 (82.60) | |||
|
|
Former smoker | 18,735 (6.16) | 569 (5.02) | 19,304 (6.12) | |||
|
|
Current smoker | 33,740 (11.10) | 1811 (15.98) | 35,551 (11.28) | |||
| Comorbidity | |||||||
|
|
Sleep apnea | 20,421 (6.72) | 471 (4.16) | 20,892 (6.63) | |||
|
|
Sinusitis | 14,164 (4.66) | 592 (5.22) | 14,756 (4.68) | |||
|
|
Premature birth | 5102 (1.68) | 440 (3.88) | 5542 (1.76) | |||
|
|
Obesity | 35,215 (11.58) | 1076 (9.50) | 36,291 (11.51) | |||
|
|
Gastroesophageal reflux | 54,887 (18.06) | 1309 (11.55) | 56,196 (17.82) | |||
|
|
Eczema | 4484 (1.48) | 443 (3.91) | 4927 (1.56) | |||
|
|
Cystic fibrosis | 447 (0.15) | 11 (0.10) | 458 (0.15) | |||
|
|
Chronic obstructive pulmonary disease | 12,496 (4.11) | 391 (3.45) | 12,887 (4.09) | |||
|
|
Bronchopulmonary dysplasia | 394 (0.13) | 35 (0.31) | 429 (0.14) | |||
|
|
Anxiety or depression | 55,245 (18.17) | 1716 (15.14) | 56,961 (18.07) | |||
|
|
Allergic rhinitis | 4534 (1.49) | 181 (1.60) | 4715 (1.50) | |||
| Asthma medication prescription | |||||||
|
|
Systemic corticosteroid | 129,318 (42.54) | 7324 (64.63) | 136,642 (43.34) | |||
|
|
Short-acting, inhaled beta-2 agonist | 121,983 (40.13) | 7545 (66.58) | 129,528 (41.08) | |||
|
|
Mast cell stabilizer | 114 (0.04) | 7 (0.06) | 121 (0.04) | |||
|
|
Long-acting beta-2 agonist | 1744 (0.57) | 69 (0.61) | 1813 (0.58) | |||
|
|
Leukotriene modifier | 33,187 (10.92) | 2320 (20.47) | 35,507 (11.26) | |||
|
|
Inhaled corticosteroid/long-acting beta-2 agonist combination | 42,796 (14.08) | 2196 (19.38) | 44,992 (14.27) | |||
|
|
Inhaled corticosteroid | 73,566 (24.20) | 4539 (40.05) | 78,105 (24.77) | |||