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Table 4 Saturated fat and polyunsaturated fat intake in the diet heart trials

From: The effect of replacing saturated fat with mostly n-6 polyunsaturated fat on coronary heart disease: a meta-analysis of randomised controlled trials

  Experimental group Control group
SFA (%) PUFA (%) P:S SFA (%) PUFA (%) P:S
RCOT [21]a       
ODHS [22]b 8.5 20.6 2.44    
NDHS [29]c 7.7 11.1 1.48 12.0 5.0 0.41
MRCT [23]d    2.00    0.17
LAVAT [53] 9.2 15.6 1.70 16.4 4.9 0.30
FMHS [43] 8.6 12.7 1.48 17.2 4.3 0.25
SDHS [25] 9.8 15.1 1.70 13.5 8.9 0.80
HDAT [31]   18.4    4.8  
MCS [26] 9.2 14.7 1.60 18.3 5.2 0.28
DART [41] 11.2 9.5 0.85 14.9 6.7 0.45
STARS [44] 8.9 7.3 0.90 17.1 4.7 0.30
  1. Abbreviations: SFA (%) the percentage of total energy intake from saturated fatty acids, PUFA (%) the percentage of total energy intake from polyunsaturated fatty acids, P:S the ratio of polyunsaturated fatty acid intake to saturated fatty acid intake
  2. aRCOT did not report either SFA or PUFA intake or the P:S ratio. However, the corn oil group reported consuming an average of 64 g of corn oil and 2070 kcal per day [21], so the corn oil alone would provide approximately 35.0 g of PUFA [88] or 15.2% of total energy intake from PUFA [21]. bODHS only reported data on dietary intakes from 17 “especially conscientious” participants in the experimental group and from none of the participants in the control group [22]. cThe values for NDHS come from a weighted average of the experimental and control groups respectively. dMRCT did not report SFA or PUFA intake for either group. However, the experimental group reported consuming an average of 80 g of soybean oil and 2380 kcal per day, so the soybean oil alone would provide approximately 46.2 g of PUFA [88] or 17.5% of total energy intake from PUFA