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©The Author(s) 2020.
World J Diabetes. Oct 15, 2020; 11(10): 416-424
Published online Oct 15, 2020. doi: 10.4239/wjd.v11.i10.416
Published online Oct 15, 2020. doi: 10.4239/wjd.v11.i10.416
Table 1 The differences between groups of patients according to serum phosphate higher or lower than the cut-off point related to diabetes mellitus equal to 3.65 mg/dL
| Characteristic | Patients with serum P > 3.65 mg/dL (n = 43), mean ± SD | Patients with serum P < 3.65 mg/dL (n = 67), mean ± SD | P value |
| Age (yr) | 71.2 ± 12.8 | 67.6 ± 15.2 | 0.2 |
| BMI (kg/m2) | 30.2 ± 6.3a | 28.1 ± 4.6 | 0.04 |
| WC (cm) | 108.09 ± 15.9 | 102.8 ± 14.3 | 0.07 |
| Uric acid (mg/dL) | 6.7 ± 1.2a | 6.09 ± 1.7 | 0.05 |
| LDL-C (mg/dL) | 102.2 ± 29.5 | 110.1 ± 32.1 | 0.2 |
| HDL-C (mg/dL) | 44.5 ± 13.2 | 47.1 ± 9.8 | 0.2 |
| Triglycerides (mg/dL) | 137.7 ± 54.4 | 129.01 ± 60.1 | 0.4 |
| Calcium (mg/dL) | 9.5 ± 0.6 | 9.5 ± 0.5 | 0.9 |
| P (mg/dL) | 4.2 ± 0.4a | 3.2 ± 0.3 | 0.001 |
| i-PTH (pg/mL) | mean rank = 68.06a | 47.4 | 0.001 |
| 25(OH)D3 (ng/mL) | 18.9 ± 12.7 | 20.8 ± 9.2 | 0.3 |
| Glucose (mg/dL) | mean rank = 63.6a | 50.28 | 0.03 |
| Insulin (μU/mL) | 11.6 ± 7.4 | 11.9 ± 8.7 | 0.8 |
| HOMA-IR (mmol/L) | mean rank = 56.8 | 54.6 | 0.7 |
| SBP (mmHg) | 147.4 ± 16.7a | 140.2 ± 16.1 | 0.02 |
| DBP (mmHg) | mean rank = 62.08 | 51.28 | 0.07 |
| pMBP (mmHg) | 108.02 ± 9.8a | 103.6 ± 7.8 | 0.01 |
| PP (mmHg) | 65.7 ± 16.2 | 61.01 ± 17.7 | 0.1 |
| ACR (mg/g) | mean rank = 63.2a | 50.6 | 0.04 |
| eGFR (mL/min/1.73 m2) | 45.6 ± 22.1a | 55.4 ± 21.5 | 0.02 |
| Category variables | n (%) | n (%) | |
| DM (yes/no) | 17 (39.5)/26 (60.5)a | 12 (17.9)/55 (82.1) | 0.01 |
| Hypertension (yes/no) | 34 (79.1)/9 (20.9)a | 41 (61.2)/26 (38.8) | 0.03 |
| Receiving vitD (yes/no) | 22 (51.2)/21 (48.8)a | 18 (26.9)/49 (73.1) | 0.009 |
| Smoking (yes/no) | 10 (23.3)/33 (76.7)a | 4 (6)/63 (94) | 0.01 |
| Alcohol consumption (yes/no) | 13 (30.2)/30 (69.8) | 16 (23.9)/51 (76.1) | 0.3 |
| Physical activity (yes/no) | 17 (39.5)/26 (60.5) | 34 (50.7)/33 (49.3) | 0.1 |
| Classification based on eGFR: | 0.04 | ||
| eGFR > 90 mL/min/1.73 m2 | 3 (7)a | 6 (9) | |
| eGFR = 60-90 mL/min/1.73 m2 | 7 (16.3) | 18 (26.9) | |
| eGFR = 30-60 mL/min/1.73 m2 | 21 (48.8) | 37 (55.2) | |
| eGFR = 15-30 mL/min/1.73 m2 | 12 (27.9) | 6 (9) |
Table 2 Logistic regression analysis for predicting diabetes mellitus manifestations
| Variables in model | P value | Odds ratio | Confidence interval |
| Age (yr) | 0.003 | 1.07 | 1.02-1.13 |
| Gender (male/female) | 0.04 | 0.30 | 0.09–0.99 |
| BMI (kg/m2) | 0.02 | 1.11 | 1.01–1.22 |
| Hypertension (yes/no) | 0.4 | 1.58 | 0.4–5.9 |
| Smoking (yes/no) | 0.08 | 3.7 | 0.8–17.02 |
| Calcium (mg/dL) | 0.2 | 1.6 | 0.7–3.7 |
| P (mg/dL) | 0.9 | 1.05 | 0.4–2.4 |
Table 3 Relation to serum glucose variables in our participants without diabetes mellitus (n = 81)
| Variables in model | Beta | t | Sig. | Lower | Upper |
| Age (yr) | -0.02 | -0.17 | 0.8 | -0.28 | 0.24 |
| Gender (male/female) | -0.03 | -0.3 | 0.7 | -7.8 | 5.6 |
| BMI (kg/m2) | 0.4 | 3.9 | 0.001 | 0.5 | 1.6 |
| Hypertension (yes/no) | 0.02 | 0.2 | 0.8 | -6.5 | 8.2 |
| Smoking (yes/no) | 0.04 | 0.3 | 0.7 | -8.4 | 12.09 |
| eGFR value (mL/min/1.73 m2) | - 0.2 | - 1.6 | 0.1 | -0.3 | 0.03 |
| ACR (mg/g) | 0.03 | 0.2 | 0.7 | -0.007 | 0.01 |
| Calcium (mg/dL) | 0.13 | 1.2 | 0.2 | -2.4 | 9.7 |
| P (mg/dL) | 0.1 | 0.9 | 0.3 | -2.7 | 7.7 |
Table 4 Relation to serum glucose variables in our patients with diabetes mellitus (n = 29)
| Variables in model | Beta | t | Sig. | Lower | Upper |
| Age (yr) | 0.26 | 1.02 | 0.3 | -1.06 | 3.1 |
| Gender (male/female) | 0.06 | 0.2 | 0.7 | -30.5 | 39.8 |
| BMI (kg/m2) | 0.3 | 1.2 | 0.2 | -1.6 | 6.5 |
| Hypertension (yes/no) | -0.2 | -1.3 | 0.19 | -70.04 | 15.5 |
| Smoking (yes/no) | 0.33 | 1.4 | 0.15 | -12.7 | 74.4 |
| eGFR value (mL/min/1.73 m2) | - 0.06 | -0.2 | 0.79 | -1.1 | 0.86 |
| ACR (mg/g) | 0.4 | 2.2 | 0.03 | 0.003 | 0.09 |
| Calcium (mg/dL) | 0.2 | 1.1 | 0.2 | -10.6 | 38.2 |
| P (mg/dL) | -0.13 | -0.6 | 0.5 | -32.4 | 17.07 |
- Citation: Raikou VD, Kyriaki D, Gavriil S. Importance of serum phosphate in elderly patients with diabetes mellitus. World J Diabetes 2020; 11(10): 416-424
- URL: https://www.wjgnet.com/1948-9358/full/v11/i10/416.htm
- DOI: https://dx.doi.org/10.4239/wjd.v11.i10.416
