Table 2 Model inputs with counts of days with laboratory results and medication orders (n = 10,000)
| Â | Â | Laboratory results | Medication orders | ||
|---|---|---|---|---|---|
Variable | n (%) | Max | Mean (SD) | Max | Mean (SD) |
ASA class | Â | Â | Â | Â | Â |
 1 | 2263(22.6) | 20 | 2.9(3.4) | 21 | 1.3(2.2) |
 2 | 4779(47.8) | 85 | 3.0(4.4) | 62 | 1.6(3.6) |
 3 | 2499(25.0) | 107 | 5.7(9.4) | 102 | 4.1(8.5) |
 4 | 459(4.6) | 99 | 9.4(13.2) | 91 | 7.5(11.5) |
Sex | Â | Â | Â | Â | Â |
 Male | 3943(39.4) | 99 | 3.4(7.4) | 91 | 2.3(6.3) |
 Female | 6057(60.6) | 107 | 4.3(6.2) | 102 | 2.5(5.5) |
Age (years) | Â | Â | Â | Â | Â |
 1-10 | 911(9.1) | 52 | 1.4(4.0) | 62 | 1.6(4.8) |
 11-20 | 837(8.4) | 49 | 2.7(4.5) | 91 | 1.9(4.9) |
 21-30 | 1379(13.8) | 78 | 5.3(6.1) | 71 | 2.8(5.0) |
 31-40 | 1461(14.6) | 107 | 5.0(6.5) | 102 | 2.1(5.5) |
 41-50 | 981(9.8) | 85 | 3.4(6.3) | 43 | 2.0(5.0) |
 51-60 | 1182(11.8) | 99 | 4.1(8.8) | 76 | 2.9(7.7) |
 61-70 | 1484(14.8) | 99 | 3.7(7.2) | 76 | 2.5(6.2) |
 71-80 | 1143(11.4) | 60 | 3.9(6.7) | 63 | 2.6(6.0) |
 81-90 | 545(5.5) | 60 | 4.7(7.3) | 55 | 3.2(6.1) |
 91-102 | 77(0.8) | 59 | 6.9(9.1) | 44 | 5.1(7.3) |
Emergency status | Â | Â | Â | Â | Â |
 Non-emergent | 8883(88.8) | 107 | 3.7(6.3) | 102 | 2.2(5.5) |
 Emergent | 1117(11.2) | 99 | 5.5(9.2) | 81 | 4.0(7.9) |
Admission status | Â | Â | Â | Â | Â |
 Outpatient | 4162(41.6) | 85 | 2.1(4.4) | 56 | 1.3(3.8) |
 Same day | 3274(32.7) | 69 | 3.7(4.8) | 76 | 1.7(4.0) |
 Inpatient | 2564(25.6) | 107 | 7.2(9.9) | 102 | 5.1(8.8) |
ICD-9 category name (number) | Â | Â | Â | Â | Â |
 Neoplasms (2) | 1111(11.1) | 53 | 3.3(5.4) | 62 | 1.8(4.8) |
 Endocrine, nutritional, and metabolic & immunity disorders (3) | 211(2.1) | 59 | 3.0(6.0) | 44 | 1.3(4.4) |
 Dz. of the nervous system and the sense organs (6) | 942(9.4) | 99 | 1.9(6.0) | 70 | 1.6(4.9) |
 Dz. of the circulatory system (7) | 1005(10.0) | 92 | 5.2(8.5) | 81 | 3.9(7.4) |
 Dz. of the respiratory system (8) | 368(3.7) | 60 | 3.7(8.2) | 91 | 3.2(9.0) |
 Dz. of the digestive system (9) | 1232(12.3) | 107 | 3.7(8.2) | 102 | 2.7(7.3) |
 Dz. of the genitourinary system (10) | 887(8.9) | 92 | 3.9(7.1) | 65 | 2.3(6.4) |
 Complications of pregnancy, childbirth and the puerperium(11) | 1931(19.3) | 54 | 6.3(4.4) | 28 | 2.6(3.3) |
 Dz. of the musculoskeletal system and connective tissue (13) | 767(7.7) | 59 | 1.8(4.3) | 60 | 1.3(4.3) |
 *Congenital anomalies (14) | 248(2.5) | 15 | 1.4(2.1) | 34 | 1.1(3.2) |
 *Symptoms, signs and ill-defined conditions (16) | 602(6.0) | 99 | 5.1(9.0) | 62 | 3.4(7.6) |
 Injury and poisoning (17) | 696(7.0) | 77 | 2.4(6.2) | 76 | 2.3(5.7) |
CPT category name (number) | Â | Â | Â | Â | Â |
 Operations on the nervous system (1) | 460(4.6) | 78 | 2.4(5.8) | 70 | 1.9(6.1) |
 Operations on the endocrine system (2) | 198(2.0) | 21 | 1.7(3.2) | 29 | 0.9(3.6) |
 Operations on the eye (3) | 664(6.6) | 99 | 1.8(5.9) | 52 | 1.4(4.5) |
 *Operations on the nose, mouth, and pharynx (5) | 430(4.3) | 44 | 1.1(3.1) | 36 | 1.1(3.1) |
 Operations on the respiratory system (6) | 198(2.0) | 60 | 6.5(10.0) | 91 | 5.6(12.2) |
 Operations on the cardiovascular system (7) | 1105(11.1) | 92 | 5.9(9.2) | 76 | 4.5(8.1) |
 Operations on the digestive system (9) | 1625(16.3) | 107 | 4.0(8.5) | 102 | 2.7(7.1) |
 Operations on the urinary system (10) | 533(5.3) | 57 | 3.7(5.4) | 65 | 1.5(4.9) |
 Operations on the male genital organs (11) | 345(3.5) | 49 | 2.5(3.8) | 33 | 1.1(3.4) |
 *Operations on the female genital organs (12) | 603(6.0) | 28 | 3.0(2.9) | 17 | 1.2(2.5) |
 Operations on the musculoskeletal system (14) | 1321(13.2) | 77 | 2.0(4.9) | 67 | 1.7(4.8) |
 *Operations on the integumentary system (15) | 442(4.4) | 54 | 3.5(6.5) | 53 | 2.4(5.6) |
 Miscellaneous diagnostic and therapeutic procedures (16) | 321(3.2) | 92 | 4.2(9.5) | 81 | 3.1(7.8) |
 *Anesthesia procedures (18) | 1755(17.6) | 54 | 6.7(4.5) | 52 | 2.8(3.5) |