Mid-upper arm circumference predicts death in adult patients admitted to a TB ward in the Philippines: A prospective cohort study.



Lee, Nathaniel, White, Laura V, Marin, Flora P, Saludar, Naomi R, Solante, Marietta B, Tactacan-Abrenica, Rosario JC, Calapis, Rugaiya W, Suzuki, Motoi, Saito, Nobuo, Ariyoshi, Koya
et al (show 3 more authors) (2019) Mid-upper arm circumference predicts death in adult patients admitted to a TB ward in the Philippines: A prospective cohort study. PloS one, 14 (6). e0218193-e0218193.

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Abstract

BACKGROUND:The Philippines is ranked 3rd globally for tuberculosis incidence (554/100,000 population). The tuberculosis ward at San Lazaro Hospital, Manila receives 1,800-2,000 admissions of acutely unwell patients per year with high mortality. Objectives of this prospective cohort study were to quantify the association of under-nutrition (primary) and diabetes (secondary) with inpatient mortality occurring between 3-28 days of hospital admission in patients with suspected or previously diagnosed TB. METHODS AND RESULTS:We enrolled 360 adults (≥18 years); 348 were eligible for the primary analysis (alive on day 3). Clinical, laboratory, anthropometric and enhanced tuberculosis diagnostic data were collected at admission with telephone tracing for mortality up to 6 months post-discharge. In the primary analysis population (mean age 45 years, SD = 15.0 years, 70% male), 58 (16.7%) deaths occurred between day 3-28 of admission; 70 (20.1%) between day 3 and discharge and documented total post-day 3 mortality including follow-up was 96 (27.6%). In those in whom it could be assessed, body mass index (BMI) ranged from 11.2-30.6 kg/m2 and 141/303 (46.5%) had moderate/severe undernutrition (BMI<17 kg/m2). A sex-specific cut-off for mid-upper arm circumference predictive of BMI<17 kg/m2 was associated with inpatient Day 3-28 mortality in males (AOR = 5.04, 95% CI: 1.50-16.86; p = 0.009; p = 0.032 for interaction by sex). The inability to stand for weight/height for BMI assessment was also associated with mortality (AOR = 5.59; 95% CI 2.25-13.89; p<0.001) as was severe compared to normal/mild anaemia (AOR = 9.67; 95% CI 2.48-37.76; p<0.001). No TB specific variables were associated with Day 3-28 mortality, nor was diabetes (HbA1c ≥6.5% or diabetes treatment). Similar effects were observed when the same multivariable model was applied to confirmed TB patients only and to the outcome of all post-day 3 in-patient mortality. CONCLUSION:This research supports the use of mid-upper arm circumference for triaging acutely unwell patients and the design and testing of nutrition-based interventions to improve patient outcomes.

Item Type: Article
Uncontrolled Keywords: Arm, Humans, Tuberculosis, Diabetes Mellitus, Malnutrition, Patient Discharge, Hospital Mortality, Multivariate Analysis, Logistic Models, Probability, Risk Factors, Prospective Studies, Adult, Middle Aged, Inpatients, Philippines, Female, Male
Depositing User: Symplectic Admin
Date Deposited: 03 Oct 2019 08:42
Last Modified: 19 Jan 2023 00:24
DOI: 10.1371/journal.pone.0218193
Open Access URL: https://doi.org/10.1371/journal.pone.0218193
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3056831