CPC Group TPC Group  
Variable n 4-Month
Mean (sd)
12-Month
Mean (sd)
Mean Change (sd) % Change p n 4-Month
Mean (sd)
12-Month
Mean (sd)
Mean Change
(sd)
% Change p p-value for Difference in Change Between Maintenance Groups
Weight (lbs) 29 214.8 (34.2) 216.6 (34.5) +1.7 (9.3) +0.8% 0.34 31 214.0 (44.8) 216.9 (44.7) +2.9 (6.8) +1.4% 0.04 0.58
Total Cholesterol (mg/dl) * 26 169.1 (45.5) 179.5 (44.5) +10.5 (15.0) +6.2% 0.003 27 183.6 (29.5) 179.2 (29.7) -4.4 (17.6) -2.4% 0.24 0.003
HDL Cholesterol (mg/dl) * 26 41.6 (11.6) 41.2 (14.3) -0.35 (7.0) -0.8% 0.78 27 45.4 (13.1) 42.4 (15.7) -3.0 (8.8) -6.7% 0.10 0.14
LDL Cholesterol
(mg/dl) *
26 96.2 (37.7) 104.8 (34.0) +8.6 (23.4) +8.9% 0.004 27 101.0 (24.9) 105.4 (24.7) +4.4 (15.2) +4.4% 0.14 0.44
ln(Triglycerides)
(mg/dl)  *
26 5.04 (0.46) 4.97 (0.55) -0.07 (0.32) -1.4% 0.19 27 5.17
(0.55)
4.93
(0.49)
-0.25
0.45)
-4.8% 0.005 0.15
Glucose (mg/dl)* 27 101.3 (12.3) 99.0 (9.9) -2.3 (10.4) -2.3% 0.34 31 104.1 (10.2) 101.5 (10.7) -2.6 (9.0) -2.5% 0.13 0.91
HbA1c (%)* 27 5.90 (0.44) 5.92 (0.45) +0.02 (0.22) +0.34% 0.68 31 5.80 (0.34) 5.81 (0.34) +0.01 (0.19) +0.17% 0.85 0.86
SBP (mmHg) * 21 116.5 (10.8) 117.2 (10.7) +0.7 (10.0) +0.06% 0.69 27 120.6 (11.6) 120.7 (14.0) +0.1 (8.1) +0.08% 0.98 0.84
DBP (mmHg) * 21 76.7 (8.9) 76.2 (9.7) -0.5 (6.9) -0.7% 0.97 27 76.6 (9.2) 74.5 (10.9) -1.7 (6.7) -2.2% 0.17 0.55
Waist (inches) 29 41.4 (4.9) 41.4 (4.6) -0.01 (2.1) -0.02% 0.85 31 41.8 (5.9) 41.7 (5.9) -0.1 (1.4) -0.2% 0.60 0.82
BMI (kg/m2) 29 35.7 (6.0) 35.9 (6.0) +0.3 (1.5) +0.8% 0.32 31 34.4 (5.3) 34.8 (5.4) +0.5 (1.1) +1.4% 0.03 0.52
*Participants with medication changes excluded
Table 4: Randomization (4-month) v. 12-Month Assessment.