CPC Group TPC Group  
Variable n 4-month
Mean (sd)
8-Month
Mean (sd)
Mean Change (sd) % Change p n 4-month
Mean (sd)
8-Month
Mean (sd)
Mean Change
(sd)
% Change p p-value for Difference in Change Between Maintenance Groups
Weight (lbs) 29 214.8 (34.2) 215.0 (33.5) +0.2 (7.1) +0.1% 0.83 31 214.0 (44.8) 216.1 (45.3) +2.1 (5.9) +1.0% 0.07 0.25
Total Cholesterol (mg/dl) * 28 172.3 (45.4) 187.7 (42.7) +15.4 (23.7) +8.9% 0.0005 27 183.6 (29.5) 192.2 (33.7) +8.6 (23.2) +4.7% 0.09 0.28
HDL Cholesterol (mg/dl) * 28 41.7 (11.4) 46.8 (14.2) +5.1 (6.4) +12.2% <.0001 27 45.4 (13.1) 48.3 (15.3) +2.9 (7.0) +6.4% 0.04 0.24
LDL Cholesterol
(mg/dl) *†
27 99.1 (39.2) 104.9 (31.3) +5.8 (23.3) +5.9% 0.06 27 101.0 (24.9) 106.2 (28.8) +5.2 (20.0) +5.1% 0.18 0.92
ln(Triglycerides)
(mg/dl) * †
27 5.03 (0.48) 5.03 (0.55) -0.006 (039) -0.1% 0.64 27 5.13 (0.44) 5.13 (0.50) -0.003 (0.22) -0.06% 0.74 0.98
Glucose (mg/dl)*† 27 101.9 (13.0) 102.1 (10.9) +0.2 (6.9) +0.2% 0.92 31 104.1 (10.2) 105.3 (10.9) +1.2 (4.7) +1.2% 0.43 0.63
HbA1c (%)* 28 5.92 (0.44) 5.83 (0.45) -0.08 (0.18) -1.4% 0.01 31 5.80 (0.34) 5.74 (0.32) -0.06 (0.18) -1.0% 0.10 0.52
SBP (mmHg) * 24 115.9 (10.3) 112.3 (9.7) -3.6 (10.8) -3.1% 0.19 27 120.6 (11.6) 120.1 (17.2) -0.43 (10.5) -0.36% 0.57 0.29
DBP (mmHg) * 24 76.3 (8.5) 73.2 (10.5) -3.2 (8.8) -4.2% 0.20 27 76.6 (9.2) 74.5 (10.9) -2.1 (7.0) -2.7% 0.13 0.64
Waist (inches) 29 41.4 (5.0) 41.1 (4.8) -0.2 (1.4) -0.5% 0.22 31 41.8 (5.9) 41.4 (6.1) -0.4 (1.3) -1.0% 0.15 0.64
BMI (kg/m2) 29 35.7 (6.0) 35.7 (5.7) +0.02 (1.1) +0.1% 0.81 31 34.4 (5.3) 34.7 (5.6) +0.4 (1.0) +1.1% 0.07 0.20
*Participants with medication changes excluded, † excluded 1 not fasting
Table 3: Randomization (4-month) v. 8-Month Assessment.