Table 3

Crude and adjusted OR of severe outcomes of COVID-19 of underweight, overweight, and obese patients, with reference to normal-weight patients from propensity score–matched data using the IPTW method

Severe pneumoniaOxygen therapy
Crude ORPAdjusted ORPCrude ORPAdjusted ORP
All patients
 Underweight0.95 (0.68, 1.33)0.7620.95 (0.67, 1.33)0.7590.84 (0.60, 1.18)0.3040.84 (0.60, 1.18)0.307
 Overweight1.13 (0.97, 1.32)0.1051.14 (0.98, 1.32)0.0990.95 (0.82, 1.10)0.4950.95 (0.81, 1.10)0.488
 Obesity1.46 (1.14, 1.86)0.0021.47 (1.15, 1.88)0.0021.40 (1.10, 1.79)0.0061.40 (1.10, 1.79)0.007
Aged <65 years
 Underweight0.54 (0.30, 0.97)0.0400.54 (0.30, 0.97)0.0370.73 (0.43, 1.23)0.2380.71 (0.42, 1.21)0.211
 Overweight1.26 (1.05, 1.52)0.0141.28 (1.06, 1.55)0.0100.96 (0.80, 1.15)0.6370.97 (0.80, 1.17)0.754
 Obesity1.26 (0.95, 1.69)0.1131.28 (0.95, 1.71)0.1001.23 (0.92, 1.64)0.1571.25 (0.93, 1.67)0.138
Aged ≥65 years
 Underweight1.23 (0.79, 1.92)0.3531.28 (0.82, 2.00)0.2750.93 (0.59, 1.46)0.7560.94 (0.59, 1.48)0.773
 Overweight0.92 (0.71, 1.19)0.5160.90 (0.69, 1.17)0.4140.93 (0.72, 1.21)0.5780.93 (0.71, 1.21)0.589
 Obesity2.28 (1.41, 3.67)0.0012.21 (1.37, 3.57)0.0011.93 (1.22, 3.04)0.0051.88 (1.19, 2.97)0.007
Men
 Underweight1.40 (0.88, 2.24)0.1571.43 (0.89, 2.29)0.1370.99 (0.62, 1.60)0.9811.03 (0.64, 1.68)0.886
 Overweight1.22 (0.98, 1.50)0.0721.23 (0.99, 1.52)0.0620.84 (0.68, 1.04)0.1100.85 (0.68, 1.05)0.124
 Obesity1.84 (1.31, 2.58)<0.0011.85 (1.31, 2.61)<0.0011.36 (0.97, 1.90)0.0771.33 (0.94, 1.87)0.105
Women
 Underweight0.62 (0.37, 1.03)0.0620.62 (0.37, 1.03)0.0640.69 (0.42, 1.12)0.1340.69 (0.42, 1.13)0.141
 Overweight1.08 (0.87, 1.34)0.4961.08 (0.86, 1.34)0.5141.08 (0.87, 1.35)0.4821.07 (0.86, 1.33)0.564
 Obesity1.14 (0.80, 1.63)0.4661.14 (0.80, 1.64)0.4721.43 (1.01, 2.02)0.0451.40 (0.98, 1.99)0.062
Diabetes
 Underweight1.46 (0.60, 3.55)0.4001.50 (0.61, 3.65)0.3781.20 (0.48, 2.96)0.7001.22 (0.49, 3.05)0.673
 Overweight0.90 (0.60, 1.35)0.6080.88 (0.58, 1.34)0.5531.64 (1.10, 2.44)0.0161.68 (1.11, 2.54)0.014
 Obesity1.03 (0.56, 1.89)0.9371.01 (0.54, 1.89)0.9721.95 (1.04, 3.64)0.0372.06 (1.08, 3.92)0.028
  • The results of age, sex, and diabetes subgroups are also shown. Models were adjusted for age, sex, and comorbidity score.