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. Author manuscript; available in PMC: 2016 Jul 4.
Published in final edited form as: Kidney Int. 2016 Jan 4;89(1):226–234. doi: 10.1038/ki.2015.278

Table 2.

Characteristics of 83 participants with type 2 diabetes by TNFR1 and TNFR2 percentiles.

Strata of TNFR1 (percentiles)

Clinical Characteristics T1 (n=19) T2 (n=43) T3 (n=21) p
Measured Markers
TNFR1 (pg/mL) 1055 (931-1120) 1500 (1374-1653) 2156 (2039-2564)
TNFR2 (pg/mL) 2214 (1937-2471) 3284 (2935-3629) 4756 (4135-5250) <0.001
TNFα (pg/mL)a 4.6 (3.1-5.9) 4.1 (2.7-5.1) 4.1 (3.0-5.6) 0.82

Other Characteristics
Age (years)b 42.9 ± 9.8 46.4 ± 9.9 49.1 ± 10.3 0.15
Diabetes duration (years) 13.0 (11.2-19.4) 14.0 (11.1-20.5) 15.0 (12.4-22.4) 0.33
Body mass index (kg/m2) 31.4 (27.6-38.4) 33.3 (29.8-40.0) 36.1 (31.7-44.6) 0.14
A1c (%) 9.4 (7.6-10.9) 9.2 (7.5-11.5) 9.2 (7.6-11.2) 0.98
Systolic blood pressure (mmHg) 119 (107-125) 124 (109-132) 127 (117-141) 0.10
Diastolic blood pressure (mmHg) 74 (70-84) 76 (70-83) 82 (72-87) 0.24
Mean arterial pressure (mmHg) 89 (83-98) 92 (85-97) 96 (88-104) 0.11
Serum creatinine (mg/dL) 0.61(0.5-0.67) 0.67 (0.60-0.79) 0.76 (0.68-0.97) <0.001
ACR (mg/g) 18 (12-41) 26 (10-88) 97 (28-923) 0.02
mGFR (ml/min) 150 (117-170) 136 (107-188) 115 (85-133) 0.04
mGFR (ml/min/1.73m2) 136 (117-160) 123 (94-161) 102 (81-110) 0.004
Hypertension treatment (%)c 26 47 57 0.14d
Losartan treatment assignment (%)e 63 58 33 0.11d
Diabetes treatment (%) 89 86 100 0.21d
Lipid lowering treatment (%) 21 33 33 0.62d

Strata of TNFR2 (percentiles)

Clinical Characteristics T1 (n=21) T2 (n=42) T3 (n=20) p

Measured Markers
TNFR1 (pg/mL) 1093 (970-1159) 1509 (1369-1854) 2218 (1981-2585) <0.001
TNFR2 (pg/mL) 2227 (2054-2496) 3290 (2984-3590) 4848 (4561-5390)
TNFα (pg/mL)f 4.6 (3.1-5.9) 3.7 (2.9-4.7) 5.0 (2.5-6.7) 0.34

Other Characteristics
Age (years)b 45.3 ± 9.2 46.9 ± 10.5 48.0 ± 10.6 0.68
Diabetes duration (years) 12.9 (11.3-15.0) 14.3 (11.7-20.9) 15.3 (12.6-19.6) 0.41
Body mass index (kg/m2) 31.4 (28.3-37.7) 33.3 (29.8-39.2) 38.6 (32.1-44.8) 0.09
A1c (%) 9.1 (6.5-10.4) 9.7 (8.3-11.5) 8.8 (7.2-11.4) 0.11
Systolic blood pressure (mmHg) 111 (107-125) 124 (114-132) 126 (117-141) 0.046
Diastolic blood pressure (mmHg) 74 (70-83) 77 (72-83) 79 (70-87) 0.56
Mean arterial pressure (mmHg) 89 (82-95) 93 (87-98) 94 (87-103) 0.17
Serum creatinine (mg/dL) 0.65 (0.57-0.69) 0.67 (0.60-0.74) 0.8 (0.66-0.99) 0.009
ACR (mg/g) 18 (12-45) 27 (12-97) 93 (20-978) 0.03
mGFR (ml/min) 142 (126-167) 134 (107-191) 119 (102-141) 0.14
mGFR (ml/min/1.73m2) 134 (117-158) 122 (101-169) 103 (84-121) 0.05
Hypertension treatment (%)g 29 48 55 0.20d
Losartan treatment assignment (%)e 67 50 45 0.33d
Diabetes treatment (%) 81 95 90 0.20d
Lipid lowering treatment (%) 24 36 25 0.53d

T1, TNFR1 and TNFR2 <25th percentile; T2, TNFR1 and TNFR2 25th to 75th percentile; T3, TNFR1and TNFR2 >75th percentile.

TNFR1 values for the 25th percentile cut point=1205 pg/mL, and for the 75th percentile cut point=1960 pg/mL.

TNFR2 values for the 25th percentile cut point=2671 pg/mL, and for the 75th percentile cut point=4152 pg/mL.

Values are medians (25th and 75th centile).

a

n=74; 17; 37; 20.

b

Mean ± standard deviation.

c

T1=2 on ACE and 2 on ARB; T2=17 on ACE and 3 on ARB; T3=11 on ACE and 1 on ARB.

d

P values from Mantel-Haenszel χ2 test for general association.

e

Assigned to receive losartan during clinical trial.

f

n=74; 19; 36; 19.

g

T1=4 on ACE and 1 on ARB; T2=17 on ACE and 3 on ARB; T3=9 on ACE and 2 on ARB.

ACR, urinary albumin-to-creatinine ratio; A1c, hemoglobin A1c; mGFR, iothalamate glomerular filtration rate; TNFα, tumor necrosis factor α; TNFR, tumor necrosis factor receptor.