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Table 1 Dietary intake data for the diet and supplement groups

From: Effects of diet type and supplementation of glucosamine, chondroitin, and MSM on body composition, functional status, and markers of health in women with knee osteoarthritis initiating a resistance-based exercise and weight loss program

Variable Group 0 Week 10 14 p-value
Energy Intake (kcals/d) HC-GCM 2,356 ± 690 1,906 ± 571 2,001 ± 241 D = 0.08
  HC-P 1,760 ± 695 1,689 ± 439 1,837 ± 617 S = 0.64
  HP-GCM 1,775 ± 424 1,398 ± 411 1,441 ± 295 T = 0.06q
  HP-P 1,696 ± 361 1,562 ± 165 1,903 ± 274 T × D = 0.80
  HC 1,987 ± 730 1,768 ± 475 1,896 ± 503 T × S = 0.18
  HP 1,746 ± 377 1,459 ± 333 1,614 ± 358 T × D × S = 0.94
  GCM 2,046 ± 610 1,623 ± 527 1,690 ± 390  
  P 1,741 ± 593 1,651 ± 372 1,857 ± 521  
  Mean 1,886 ± 605 1,638 ± 439† 1,778 ± 459  
Carbohydrate (g/d) HC-GCM 342 ± 103 228 ± 87 248 ± 57 D = 0.02
  HC-P 189 ± 82 218 ± 70 238 ± 117 S = 0.94
  HP-GCM 191 ± 65 125 ± 61 151 ± 38 T = 0.015 q
  HP-P 216 ± 39 143 ± 106 269 ± 58 T × D = 0.63
  HC 245 ± 115 221 ± 72 241 ± 96 T × S = 0.07
  HP 200 ± 55 132 ± 76 196 ± 84 T × D × S = 0.12q
  GCM 256 ± 11 171 ± 87† 194 ± 67  
  P 197 ± 71 196 ± 84 247 ± 100†  
  Mean 226 ± 94 184 ± 85† 222 ± 88  
Protein (g/d) HC-GCM 88 ± 24 81 ± 22 75 ± 20 D = 0.22
  HC-P 76 ± 24 77 ± 16 79 ± 22 S = 0.97
  HP-GCM 79 ± 4 101 ± 31 83 ± 14 T = 0.019q
  HP-P 63 ± 11 133 ± 70 76 ± 11 T × D = 0.017q
  HC 80 ± 23 77 ± 16 78 ± 20 T × S = 0.35
  HP 73 ± 10 113 ± 47† 80 ± 13 T × D × S = 0.19q
  GCM 83 ± 16 92 ± 28 80 ± 16  
  P 72 ± 21 94 ± 44 78 ± 19  
  Mean 77 ± 19 93 ± 37† 79 ± 17  
Fat (g/d) HC-GCM 78 ± 24 78 ± 24 82 ± 10 D = 0.25
  HC-P 70 ± 39 59 ± 18 62 ± 19 S = 0.26
  HP-GCM 79 ± 21 52 ± 21 59 ± 22 T = 0.085q
  HP-P 65 ± 32 53 ± 6 63 ± 8 T × D = 0.50
  HC 73 ± 33 65 ± 20 69 ± 19 T × S = 0.85
  HP 74 ± 24 53 ± 16 60 ± 18 T × D × S = 0.33
  GCM 79 ± 21 63 ± 23 69 ± 21  
  P 63 ± 35 60 ± 15 62 ± 16  
  Mean 73 ± 29 60 ± 19† 65 ± 18  
  1. Data are means ± standard deviations. HC = high carbohydrate diet, HP = high protein diet, GCM = glucosamine/chondroitin/MSM group, P = placebo group, FFM = fat free mass, REE = resting energy expenditure, D = diet, S = supplement, T = time. q = quadratic alpha level. † Indicates p < 0.05 difference from baseline.