Table 2.
Selected MPOG Perioperative Case Characteristics, January 1, 2014 to December 31, 2018
| MPOG Variable | Number | Fill Rate (%)a |
|---|---|---|
| Operating room type | ||
| Anesthetizing location | … | |
| Inpatient operating rooms | 2317 | |
| Ambulatory surgery center operating rooms | 554 | |
| NORA locations | 693 | |
| Patient information | … | |
| Cases included | 7,373,376 | |
| Distinct patients (sum of distinct patients at each institution) | 4,760,059 | |
| Known gender | 7,366,676 | 99.9 |
| Known patient race | 6,265,673 | 85.0 |
| Known patient height—total, y | 6,494,163 | 88.0 |
| ≥18 | 5,899,761 | 89.5 |
| <18 | 594,402 | 75.6 |
| Known patient weight—total, y | 6,920,295 | 93.9 |
| ≥18 | 6,156,952 | 93.5% |
| <18 | 763,343 | 97.1 |
| Age, y | 100.0 | |
| <1 | 91,473 | |
| 1–4 | 237,524 | |
| 5–11 | 242,961 | |
| 12–17 | 213,644 | |
| 18–34 | 1,129,055 | |
| 35–64 | 3,304,243 | |
| 65–84 | 1,976,374 | |
| >85 | 178,099 | |
| Specific Elixhauser comorbidities | ||
| CHF | 348,599 | |
| Diabetes (complicated or uncomplicated) | 617,154 | |
| Liver disease | 233,606 | |
| Cancer (solid tumor without metastasis, metastatic cancer, lymphoma) | 722,759 | |
| Case information | ||
| Anesthesia technique | ||
| General | 4,588,597 | |
| Includes regional/neuraxial | 497,093 | |
| Admission type | 99.9 | |
| IP | 2,885,173 | |
| OP | 4,304,247 | |
| Other | 177,779 | |
| Selected CPT case classifications | ||
| Cardiac | 118,842 | |
| Diagnostic endoscopy | 870,548 | |
| Major abdominal | 628,055 | |
| Ophthalmic procedure | 277,752 | |
| Preoperative documentation | ||
| ASA PS classification | 97.9 | |
| I, II | 3,915,973 | |
| III, IV | 3,282,043 | |
| Cases with MP classification documented | 5,042,240 | |
| Intraoperative documentation | ||
| EKG HR measurements | 776,522,753 | 89.2 |
| Systemic blood pressure measurements | ||
| Noninvasive | 188,908,501 | 95.2 |
| Invasive | 178,143,280 | 10.1 |
| Cases receiving a PRBC transfusion | 146,421 | 2.0 |
| Administered medications | 98,009,774 | 98.8 |
| Documented IV fluids | 15,968,246 | 81.9 |
| Staffing model | 99.9 | |
| Attending only | 1,071,745 | |
| CRNA/AA | 4,841,515 | |
| Trainees involved | 1,773,764 | |
| Outcome data | ||
| Cases with laboratory values in 365 d prior | 5,327,154 | 72.3 |
| Cases with laboratory values in 365 d after | 4,226,346 | 57.3 |
| Cases with both a pre- and postoperative creatinine value | 2,803,263 | 38.0 |
| Cases with troponin within 30 d postoperative | 339,071 | 4.6 |
| In-hospital mortality | 53,472 | 0.73 |
| Reoperation within 30 d (at same institution) | 704,183 | 9.6 |
Abbreviations: ASA PS, American Society of Anesthesiologists physical status; CHF, congestive heart failure; CPT, Current Procedural Terminology; CRNA/AA, certified registered nurse anesthetist/anesthesiologist assistant; EKG, electrocardiogram; HR, heart rate; IP, inpatient; IV, intravenous; MP, Mallampati; MPOG, Multicenter Perioperative Outcomes Group; NORA, nonoperating room anesthesia; OP, outpatient; PRBC, packed red blood cell.
a
Fill rate is calculated for selected variables, where the appropriate denominator is the entire population.