Table 1 Baseline characteristics of all elderly COVID-19 patients
Characteristics | All patients (N = 116) | Low PMI (n = 39) | Normal PMI (n = 77) | p value |
|---|---|---|---|---|
Age | 69(65,74) | 71(66,75) | 68(65,72) | 0.041 |
Male | 40(34.5) | 14(35.9) | 26(33.8) | 0.820 |
BMI | 24.2(22.5,26.9) | 23.8(21.6,26.0) | 24.9(22.7,27.1) | 0.124 |
Current smoking | 25(21.6) | 15(38.5) | 10(13.0) | 0.002 |
Clinical severity score | 0.543 | |||
Common | 113(97.4) | 37(94.9) | 76(98.7) | |
Severe | 3(2.6) | 2(5.1) | 1(1.3) | |
Days from T0 to T1 (days) | 5(3,8) | 6(3,8) | 5(2,7) | 0.025 |
Having underlying medical conditions | ||||
Hypertension | 56(48.3) | 21(53.8) | 35(45.5) | 0.435 |
Diabetes | 25(21.6) | 8(20.5) | 17(22.1) | 0.846 |
Coronary heart disease | 5(4.3) | 2(5.1) | 3(3.9) | 1 |
COPD/asthma | 10(8.6) | 4(10.3) | 6(7.8) | 0.731 |
CKD | 2(1.7) | 0(0) | 2(2.6) | 0.550 |
Carcinoma history | 11(9.5) | 5(12.8) | 6(7.8) | 0.591 |
Vaccination status | 0.485 | |||
Unvaccinated | 60(51.7) | 16(41) | 23(29.9) | |
Partially vaccinated | 39(33.6) | 5(12.8) | 12(15.6) | |
Fully vaccinated | 17(14.7) | 18(46.2) | 42(54.5) | |
Time from illness onset to hospitalization (days) | 4(2,5.75) | 4(2,5) | 4(2,6) | 0.894 |
Length of stay (days) | 26(20.25,29) | 26(21,29) | 26(20,29) | 0.684 |
Clinical syndrome score | 17.5(12,28) | 34(30,38) | 16(11,23) | < 0.001 |
Fever | 86(74.1) | 30(76.9) | 56(72.7) | 0.626 |
Cough | 102(87.9) | 37(94.9) | 65(84.4) | 0.183 |
Shortness of breath | 23(19.8) | 7(17.9) | 16(20.8) | 0.718 |
Nausea or vomiting | 28(24.1) | 17(43.6) | 11(14.3) | 0.001 |
Abdominal pain or diarrhea | 41(35.3) | 15(38.5) | 26(33.8) | 0.617 |
Loss of smell or taste | 13(11.2) | 6(15.4) | 7(9.1) | 0.482 |
Stuffy nose or runny nose | 28(24.1) | 17(43.6) | 11(14.3) | 0.001 |
Headache or dizziness | 13(11.2) | 8(20.5) | 5(6.5) | 0.051 |
Fatigue | 89(76.7) | 34(87.2) | 55(71.4) | 0.058 |
Pharyngeal discomfort | 36(31.0) | 19(48.7) | 17(22.1) | 0.003 |
Medical drugs | ||||
Traditional Chinese medicine | 116(100) | 39(100) | 77(100) | 1 |
Immunoglobulin | 8(6.9) | 3(7.7) | 5(6.5) | 1 |
Glucocorticoid | 1(0.9) | 0(0) | 1(1.3) | 1 |
Any antibiotics | 13(11.2) | 11(28.2) | 2(2.6) | < 0.001 |
Any antivirals | 41(35.3) | 14(35.9) | 27(35.1) | 0.929 |
Neutralizing antibodies | 6(5.2) | 3(7.7) | 3(3.9) | 0.402 |
Anticoagulant | 105(90.5) | 37(94.9) | 68(88.3) | 0.330 |