Table 3.

Laboratory results for ARPKD patients with native kidneys

Chronic Kidney Disease StageMeanSDRangeNormal RangeNo. LowNo. High
Serum sodium (mmol/L)11382.0135 to 141135 to 1440 of 220 of 22
21372.7132 to 1415 of 180 of 18
31392.2135 to 1430 of 140 of 14
4 to 51381.9135 to 1410 of 90 of 9
Serum magnesium (mmol/L)10.920.070.72 to 0.980.75 to 1.001 of 220 of 22
20.850.100.63 to 1.011 of 181 of 18
30.940.090.76 to 1.070 of 143 of 14
4 to 50.980.160.64 to 1.211 of 95 of 9
Serum phosphate (mg/dl)a14.30.82.8 to 6.02.8 to 4.20 of 2213 of 22
24.80.93.2 to 6.20 of 1814 of 18
35.030.83.6 to 6.20 of 1411 of 14
4 to 55.390.74.3 to 6.80 of 99 of 9
Serum calcium (mmol/L)a12.330.172.07 to 2.562.05 to 2.500 of 221 of 22
22.400.082.27 to 2.570 of 182 of 18
32.370.112.15 to 2.510 of 141 of 14
4 to 52.410.112.24 to 2.600 of 92 of 9
Parathyroid hormone (pg/ml)a120114 to 9616 to 875 of 201 of 20
233296 to 1284 of 151 of 15
3824416 to 1430 of 136 of 13
4 to 516546123 to 2240 of 66 of 6
Urine protein (mg/m2 per h)13.52.40 to 9.7<4NA7 of 20
23.43.20 to 116 of 18
35.88.30 to 30.75 of 13
4 to 522.543.60 to 1285 of 8
Urine glucose (mg/d)1735314 to 251<500NA0 of 20
2654417 to 1890 of 17
310720519 to 7821 of 13
4 to 513510623 to 3080 of 7
Urine calcium (mg/kg per d)12.21.90 to 7.5<4NA4 of 21
21.30.70 to 2.90 of 18
31.11.40 to 5.81 of 14
4 to 51.21.00 to 3.40 of 9
Urine osmolality (mOsm/kg)1637209371 to 983300 to 9000 of 213 of 21
2356137125 to 7585 of 180 of 18
330530258 to 3487 of 130 of 13
4 to 529145206 to 3363 of 60 of 6
Serum osmolality (mOsm/kg)12895282 to 302278 to 2980 of 211 of 21
22956282 to 3040 of 183 of 18
32995288 to 3090 of 148 of 14
4 to 53067298 to 3180 of 98 of 9
Urine volume (ml/24 h/1.73 m2)11351539459 to 2407<2000NA2 of 20
222631035985 to 47968 of 18
319365501137 to 28075 of 13
4 to 524258031144 to 35845 of 8
Plasma vasopressin (pg/ml)10.861.070.5 to 3.90<1.7NA4 of 21
21.921.530.5 to 5.26 of 16
35.319.890.5 to 38.06 of 14
4 to 52.771.470.50 to 4.905 of 6
TMP/GFR (mg/dl)14.090.891.94 to 5.632.8 to 4.41 of 216 of 21
23.990.822.43 to 5.132 of 176 of 17
33.940.782.84 to 5.640 of 132 of 13
4 to 53.780.722.43 to 4.791 of 91 of 8
Fractional excretion of magnesium (%)12.90.91.8 to 4.7<5NA0 of 21
24.91.72.6 to 8.47 of 17
35.32.60 to 9.37 of 13
4 to 58.83.54.1 to 14.87 of 8
  • TMP/GFR, tubular maximum phosphate reabsorption per GFR.

  • a Excludes patients on treatment for renal osteodystrophy.