Table 2 Characteristics of study participants of quartiles of serum phosphate.
From: Exploring the Link between Serum Phosphate Levels and Low Muscle Strength, Dynapenia, and Sarcopenia
Characteristics of Study Participants | Hypophosphatemia | Quartiles of serum phosphate in normal range | Hyperphosphatemia | P Value | |||
---|---|---|---|---|---|---|---|
<0.81 | Q1 (0.81–1.03) (n = 1880) | Q2 (1.03–1.16) (n = 2018) | Q3 (1.16–1.26) (n = 1869) | Q4 (1.29–1.49) (n = 1654) | >1.49 | ||
Continuous variables, mean (SD) | |||||||
Age (years) | 53.24(16.44) | 52.29(18.16) | 50.51(18.79) | 48.65(19.01) | 49.62(18.86) | 41.19(18.82) | <0.001 |
Thigh circumference (cm) | 53.37(7.43) | 52.99(7.06) | 53.12(7.21) | 52.66(7.01) | 52.73(7.07) | 53.33(7.03) | 0.264 |
Calf circumference (cm) | 38.32(4.59) | 38.33(4.30) | 38.36(4.31) | 37.95(4.25) | 37.96(4.38) | 38.35(4.59) | 0.010 |
Muscle Strength (nt) | 401.04(126.00) | 365.76(120.09) | 350.09(124.92) | 338.14(115.83) | 331.78(124.69) | 303.36(122.24) | <0.001 |
Appendicular lean mass (g) | 23066.66(5910.36) | 22424.09(5858.85) | 21988.30(6168.79) | 21335.16(6082.25) | 21412.85(6422.66) | 22969.98(6802.24) | <0.001 |
BMI (kg/m2) | 29.20(6.59) | 28.79(6.11) | 28.36(6.20) | 28.07(6.04) | 27.98(6.21) | 28.44(6.17) | <0.001 |
AST (U/L) | 28.22(30.94) | 25.04(16.51) | 24.24(12.81) | 24.71(24.12) | 24.64(15.72) | 35.15(123.19) | 0.563 |
Serum TC (mg/dL) | 192.60(41.66) | 199.94(40.85) | 198.54(38.64) | 201.86(42.94) | 202.30(41.54) | 206.95(48.28) | 0.017 |
Serum FG (mg/dL) | 107.26(36.09) | 101.77(39.53) | 96.28(30.52) | 96.18(35.88) | 94.90(34.84) | 91.10(29.89) | <0.001 |
Serum HDL (mg/dL) | 46.93(13.22) | 50.05(15.17) | 51.60(15.89) | 52.54(15.56) | 52.75(15.91) | 52.47(16.40) | <0.001 |
Calcium (mg/dL) | 9.26(0.53) | 9.32(0.43) | 9.39(0.39) | 9.43(0.39) | 9.46(0.40) | 9.56(0.49) | <0.001 |
Creatinine (mg/dL) | 0.82(0.33) | 0.81(0.27) | 0.84(0.39) | 0.80(0.42) | 0.85(0.47) | 1.25(1.69) | <0.001 |
Categorical variables, n (%) | |||||||
Arthritis | 48(2.5) | 490(27.1) | 509(28.2) | 439(24.3) | 369(20.4) | 46(2.4) | 0.050 |
Congestive heart failure | 8(3.5) | 64(30.8) | 54(26) | 56(26.9) | 34(16.3) | 14(6.1) | 0.204 |
Coronary heart disease | 8(2.4) | 98(32.2) | 83(27.3) | 73(24) | 50(16.4) | 17(5.2) | 0.129 |
Angina/angina pectoris | 11(4.0) | 74(28.9) | 76(29.7) | 67(26.2) | 39(15.2) | 14(5.0) | 0.083 |
Heart attack | 10(3.0) | 90(28.8) | 83(26.6) | 86(27.6) | 53(17) | 14(4.2) | 0.127 |
Stroke | 8(3.4) | 64(28.2) | 59(26) | 49(21.6) | 55(24.2) | 3(1.3) | 0.697 |
Smoking | 84(2.2) | 924(25.7) | 973(27.1) | 865(24.1) | 828(23.1) | 133(3.5) | 0.352 |