Table 1 Characteristics of Study Participants.
From: Exploring the association of Bone Alkaline Phosphatases And Hearing Loss
Characteristics of Study Participants | Quartiles of bone alkaline phosphatase | |||||
|---|---|---|---|---|---|---|
Q1 (<10.6) | Q2(10.6 to<13.8) | Q3 (13.8 to<18.2) | Q4 (>18.2) | Total | P value | |
(n = 976) | (n = 989) | (n = 967) | (n = 945) | (n = 3877) | ||
Continuous variablesa, mean ± SD | ||||||
Age (year) | 39.48 ± 11.43 | 39.15 ± 11.53 | 38.73 ± 12.67 | 39.49 ± 13.91 | 39.21 ± 12.41 | 0.496 |
BMI (kg/m2) | 27.18 ± 6.09 | 28.36 ± 6.13 | 28.89 ± 6.77 | 29.06 ± 6.62 | 28.36 ± 6.45 | <0.001 |
LDL-C (mg/dl) | 116.2 ± 34.66 | 123.76 ± 35.59 | 123.88 ± 35.85 | 122.87 ± 35.99 | 121.60 ± 35.62 | 0.002 |
Uric acid (mg/dl) | 4.75 ± 1.44 | 5.19 ± 1.46 | 5.33 ± 1.41 | 5.52 ± 1.44 | 5.20 ± 1.46 | <0.001 |
Worse ear | ||||||
  Low-PTA (dB) | 12.61 ± 9.99 | 12.99 ± 9.44 | 13.40 ± 10.53 | 14.76 ± 12.65 | 13.43 ± 10.73 | <0.001 |
  High-PTA (dB) | 20.20 ± 16.70 | 21.65 ± 17.38 | 22.48 ± 17.95 | 24.45 ± 19.20 | 22.17 ± 17.88 | <0.001 |
  Log low-PTA | 1.00 ± 0.30 | 1.02 ± 0.29 | 1.02 ± 0.30 | 1.06 ± 0.30 | 1.03 ± 0.30 | <0.001 |
  Log high-PTA | 1.19 ± 0.32 | 1.21 ± 0.34 | 1.22 ± 0.35 | 1.27 ± 0.34 | 1.22 ± 0.34 | <0.001 |
Categorical variablesb(%) | ||||||
Gender(Male) | 270(27.2) | 464(46.9) | 521(53.9) | 542(57.4) | 1797(46.4) | <0.001 |
 Race | ||||||
  Non-Hispanic white | 558(57.2) | 468(47.3) | 433(44.8) | 336(35.6) | 1795(46.3) | <0.001 |
  Non-Hispanic black | 199(20.4) | 202(20.4) | 192(19.9) | 189(20.0) | 782(20.2) | <0.001 |
  Other | 219(22.4) | 319(32.3) | 342(35.4) | 420(44.4) | 1300(33.5) | <0.001 |
 Past histories | ||||||
  Diabetes | 42(4.3) | 52(5.3) | 44(4.6) | 79(8.5) | 217(5.6) | <0.001 |
  Heart disease | 20(2.1) | 33(3.4) | 27(2.8) | 29(3.1) | 109(2.8) | 0.343 |
  Stroke | 11(1.1) | 11(1.1) | 13(1.3) | 19(2.0) | 54(1.4) | 0.294 |
  Ototoxic medication | 167(11.1) | 180(9.5) | 171(7.2) | 190(8.9) | 708(9.2) | 0.356 |
  Abnormal tympanometry | 78(8.7) | 94(10.3) | 93(10.4) | 104(12.2) | 369(10.4) | 0.121 |
  Abnormal otoscopy | 108(17.1) | 94(18.2) | 70(17.7) | 84(20.1) | 356(18.3) | 0.033 |
