Table 1.
Baseline characteristics of the subjects at admission (n = 2526).
| Characteristics | Men | Women | Total | p |
|---|---|---|---|---|
| n | 1495(59.18) | 1031(40.82) | 2526 | 0.000 |
| General characteristics | ||||
| Age (year) | 74.73 ± 7.31 | 74.49 ± 6.82 | 74.63 ± 7.12 | 0.383 |
| Married (%) | 1401(93.7) | 976(94.7) | 2377(94.2) | 0.318 |
| Height * (cm) | 168.91 ± 6.09 | 157.47 ± 6.00 | 164.24 ± 8.26 | 0.000 |
| Weight * (kg) | 65.11 ± 10.95 | 57.06 ± 10.43 | 61.83 ± 11.45 | 0.000 |
| BMI (kg/m2) | 22.78 ± 3.40 | 22.98 ± 3.81 | 22.86 ± 3.57 | 0.179 |
| Education level * | ||||
| Primary school and lower | 1013(67.8) | 800(77.6) | 1813(71.8) | 0.000 |
| High school | 220(14.7) | 111(10.8) | 331(13.1) | |
| Bachelor’s degree or above | 262(17.5) | 120(11.6) | 382(15.1) | |
| Hospitalization reasons | ||||
| Endocrine diseases | 33(2.2) | 30(2.9) | 63(2.5) | 0.266 |
| Nervous system diseases | 249(16.7) | 181(17.6) | 430(17.0) | 0.554 |
| Osteoarthropathy * | 49(3.3) | 92(8.9) | 141(5.6) | 0.000 |
| Digestive diseases * | 238(15.9) | 225(21.8) | 463(18.3) | 0.001 |
| Respiratory diseases | 143(9.6) | 80(7.8) | 223(8.8) | 0.116 |
| Cardiovascular diseases | 80(5.4) | 58(5.6) | 138(5.5) | 0.765 |
| Tumors * | 615(41.1) | 333(32.3) | 948(37.5) | 0.000 |
| Kidney diseases | 6(0.4) | 4(0.4) | 10(0.4) | 0.958 |
| Nutritional status according to the SGA criteria | ||||
| A(%) | 983(65.8) | 714(69.3) | 1697(67.2) | 0.180 |
| B(%) | 437(29.2) | 269(26.1) | 706(27.9) | |
| C(%) | 75(5.0) | 48(4.7) | 123(4.9) | |
| Blood parameters | ||||
| Total protein * (g/L) | 65.04 ± 6.90 | 66.06 ± 6.94 | 65.45 ± 6.93 | 0.001 |
| Triglyceride * (mmol/L) | 1.17(0.46) | 1.36(0.61) | 1.24(0.50) | 0.000 |
| Total cholesterol * (mmol/L) | 3.96 ± 1.40 | 4.28 ± 1.53 | 4.08 ± 1.46 | 0.000 |
| Hemoglobin * (g/L) | 125.64 ± 21.34 | 117.81 ± 18.10 | 122.43 ± 20.44 | 0.000 |
| Lymphocytes * (109/L) | 1.45(0.53) | 1.58(0.55) | 1.57(0.59) | 0.001 |
* p < 0.05: between men and women; BMI: body mass index; SGA: subjective global assessment.