Korean Journal of Family Practice

Table. 2.

Comparisons of nutrient intakes according to study subjects

Characteristics COPD
(N=3,145)
NCOPD
(N=16,748)
P-value Obstructive severity
Mild
(N=1,459)
Moderate
(N=1,534)
Severe, very severe
(N=152)
P-value
Energy (kcal) 1,969.04±18.40 1,996.43±9.62 0.164 1,999.58±26.50 1,951.54±26.44 1,858.84±60.45 0.069
Carbohydrate (g) 325.07±2.74 322.48±1.49 0.377 330.31±3.86 321.62±3.97 310.70±10.19 0.141
Protein (g) 66.82±0.85 70.02±0.41 0.001 67.08±1.16 67.23±1.32 60.14±2.76 0.045
Fat (g) 33.37±0.72 37.51±0.31 <0.001 32.74±0.93 34.45±1.14 28.38±2.15 0.128
Fat-soluble vitamins
Vitamin A (μgRE) 756.46±25.28 853.65±13.37 <0.001 804.02±43.04 718.67±28.97 691.77±111.13 0.193
Carotene (μg) 3,978.10±144.26 4,440.93±76.53 0.004 4,230.78±243.39 3,769.69±164.52 3,711.76±97.24 0.221
Retinol (μg) 78.89±4.34 99.08±3.69 <0.001 80.99±7.11 79.18±68.09 56.15±6.46 0.019
Water-soluble vitamins
Vitamin C (mg) 100.29±2.32 116.20±1.33 <0.001 103.39±3.47 99.48±3.05 79.33±7.35 0.006
Vitamin B1 (mg) 1.54±0.02 1.60±0.01 0.006 1.58±0.03 1.51±0.03 1.31±0.07 0.001
Vitamin B2 (mg) 1.13±0.01 1.25±0.08 <0.001 1.16±0.02 1.13±0.02 0.96±0.05 0.001
Niacin (mg) 15.85±0.22 16.80±0.10 <0.001 15.97±0.31 15.89±0.33 14.36±0.67 0.063
Major minerals
Calcium (mg) 492.43±8.34 515.46±4.25 0.012 506.19±13.35 482.70±10.19 461.47±34.02 0.299
Phosphorus (mg) 1,120.63±5.84 1,158.78±11.87 0.003 1,131.90±17.50 1,120.41±17.21 1,016.63±35.04 0.007
Sodium (mg) 4,442.59±68.10 4,665.47±35.37 0.003 4,450.51±95.61 4,417.14±93.10 4,626.02±484.43 0.895
Potassium (mg) 3,013.37±35.71 3,227.02±18.82 <0.001 3,068.98±50.71 2,994.53±51.38 2,680.67±129.14 0.010
Trace minerals
Iron (mg) 16.41±0.34 17.00±0.17 0.115 16.85±0.55 16.04±0.35 16.10±1.76 0.386

Values are presented as mean±standard deviation.

COPD, chronic obstructive pulmonary disease; NCOPD, non-chronic obstructive pulmonary disease.

Korean J Fam Pract 2021;11:288~295 https://doi.org/10.21215/kjfp.2021.11.4.288
© KJFP