Table 7 Clinical characteristics of patients who required postoperative potassium supplement
From: The role of routine laboratory tests after unilateral total knee arthroplasty
Factor | Treatment Group (n = 24) | No Treatment Group (n = 176) | P value |
|---|---|---|---|
Age (years) | 69.29 ± 6.87 | 66.88 ± 11.64 | 0.218 |
Sex (n) | 0.144 | ||
Male | 2 | 42 | |
Female | 22 | 134 | |
BMI (kg/m2) | 20.82 ± 1.84 | 24.24 ± 4.39 | 0.006 |
Smoking: n(%) | 4(%) | 38() | 0.578 |
Alcohol use: n(%) | 10(5) | 75() | 0.930 |
Diabetes mellitus:n(%) | 2(%) | 13(%) | 0.869 |
High blood pressure: n(%) | 15(%) | 74(%) | 0.059 |
Preoperative Potassium(g/L) | 3.66 ± 0.23 | 4.27 ± 0.42 | 0.02 |
Estimated blood loss (mL) | 287.50 ± 218.82 | 215.45 ± 185.80 | 0.189 |
Operative time (minutes) | 144.58 ± 53.79 | 139.29 ± 42.42 | 0.098 |