Table 1 Characteristics of the included studies
Study (year) | Patients (n) | Type of surgery | Definitions of malnutrition | Percent malnutrition | Assessment of POD | Percent POD | Crude OR (95% CI) | Adjusted OR (95% CI) | Multivariable adjustment |
|---|---|---|---|---|---|---|---|---|---|
Ringaitienė et al. (2015) | 99 | CABG | NRS-2002 > 3 | 24.0 | CAM-ICU | 8.0 | 6.316 (1.384–28.819) | 6.316 (1.384–28.819) | STS predicted mortality/morbidity |
Chu et al. (2016) | 544 | Orthopedic surgery | MNA-SF < 12 | 17.5 | DSM-IV | 9.6 | 4.63 (2.54–8.44)a | 2.85 (1.19–6.87) | Age, male gender, living status, admission route, BMI, IADL, sodium level, Barthel index, CCI, MMSE, GDS-15, type of surgery, time from admission to surgery, blood transfusion during operation, hearing impairment |
Mazzola et al. (2017) | 415 | Hip fracture | MNA-SF ≤ 7 | 18.8 | DSM-IV | 29.9 | 6.3 (3.3–12.2) | 3.0 (1.4–6.2) | Age, sex, CCI, ADL, ASA, preoperative cognitive status |
Velayati et al. (2019) | 398 | CABG | NRS-2002 > 3 | 5.0 | CAM-ICU | 17.0 | 1.76 (1.02–3.05) | 1.56 (1.20–3.24) | Age, hyperlipidemia, hypertension, vision impairment, creatinine, and sodium level after surgery |
van der Wulp et al. (2021) | 511 | TAVI | Albumin < 3.5 or MNA < 12 | 26.0 | DSM-IV | 12.9 | 1.8 (1.0–3.2) | 1.3 (0.6–2.7) | Age, BMI, previous delirium, aortic valve area < 0.75 |
Sánchez Acedo et al. (2020) | 446 | Urgent abdominal surgery | MNA-SF ≤ 7 | 7.0 | CAM | 13.6 | 2.54 (1.07–6.00)a | Not reported | Not reported |
Zhao et al. (2020) | 288 | Noncardiac surgery | MNA-SF ≤ 7 | 14.2 | CAM | 17.0 | 6.70 (2.87–15.62)a | 4.06 1.62–10.18) | Age, sex, CCI, depression, Barthel index, preoperative pain |