Table 2.

Characteristics of the study population and nutritional parameters based on nutritional status

	Normal (CONUT=0–1, n=67)	Mild malnutrition (CONUT 2–4, n=178)	Moderate–severe malnutrition (CONUT≥5, n=91)	p
Age (year, ${\displaystyle \overline{x}}$±s)	87.24±4.75	87.18±4.95	87.75±5.56	0.638
Male (n, %)	64 (95.52)	169 (94.54)	90 (98.90)	0.270
Smoking history (n, %)	19 (28.36)	60 (33.71)	44 (48.35)	0.018
Anaemia (n, %)	20 (29.85)	63 (35.39)	41 (45.05)	0.129
DM (n, %)	37 (55.22)	93 (52.24)	34 (37.36)	0.035
Admission for RTI (n, %)	18 (26.86)	91 (51.12)	83 (91.21)	0.000
SBP (mm Hg, ${\displaystyle \overline{x}}$±s)	129.49±15.11	133.96±18.88	134.04±19.92	0.236
DBP (mm Hg, ${\displaystyle \overline{x}}$±s)	67.85±9.40	67.71±13.03	68.50±11.03	0.953
HR (beat/min, ${\displaystyle \overline{x}}$±s)	70.97±12.94	73.22±14.61	82.20±17.46	0.000
BMI (kg/m2, ${\displaystyle \overline{x}}$±s)	25.08±3.10	24.15±3.09	23.03±2.73	0.010
Hgb (g/L, ${\displaystyle \overline{x}}$±s)	125.06±17.23	123.01±16.81	122.64±18.76	0.475
TC (mmol/L, ${\displaystyle \overline{x}}$±s)	4.53±0.08	2.77±1.60	0.93±1.51	0.000
TG (mmol/L, ${\displaystyle \overline{x}}$±s)	1.85±1.28	1.15±1.02	0.54±0.27	0.000
LDL-C (mmol/L, ${\displaystyle \overline{x}}$±s)	2.63±0.61	1.76±0.72	1.53±0.71	0.000
HDL-C (mmol/L, ${\displaystyle \overline{x}}$±s)	1.16±0.36	1.03±0.46	1.03±0.48	0.104
sCr (mmol/L, ${\displaystyle \overline{x}}$±s)	106.66±44.72	109.24±53.41	110.03±59.36	0.941
BUN (mmol/L, ${\displaystyle \overline{x}}$±s)	8.18±3.95	9.20±4.61	10.21±4.76	0.016
UA (umol/L, ${\displaystyle \overline{x}}$±s)	335.51±101.25	347.15±97.37	321.76±109.13	0.081
TP (g/L, ${\displaystyle \overline{x}}$±s)	69.40±5.25	68.75±6.36	65.90±7.56	0.000
Albumin (g/L, ${\displaystyle \overline{x}}$±s)	40.13±3.31	39.49±3.50	35.83±4.73	0.000
FBS (mmol/L, ${\displaystyle \overline{x}}$±s)	6.26±2.41	7.11±2.64	7.39±2.60	0.021
Prealbumin (mg/dL, ${\displaystyle \overline{x}}$±s)	10.76±12.88	17.02±12.05	19.15±7.25	0.000

BMI, body mass index; BUN, blood urea nitrogen; DBP, diastolic blood pressure; DM, diabetes mellitus; FBS, fasting blood glucose; HDL-C, high-density lipoprotein cholesterol; Hgb, haemoglobin; LDL-C, low-density lipoprotein cholesterol; RTI, respiratory tract infection; SBP, systolic blood pressure; sCr, serum creatinine; TC, total cholesterol; TG, triglyceride; TP, total protein; UA, uric acid.