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Table 5 ANCOVA and repeated measures ANCOVA analysis for secondary outcomes

From: Effects of green tea consumption on cognitive dysfunction in an elderly population: a randomized placebo-controlled study

  Placebo Green tea P-value
FAS analysis N = 16 N = 17  
Total MMSE Score, LSM ± SE 1.04 ± 0.80 0.42 ± 0.77 0.59
 LSM difference [95 % CI] −0.61 [−2.97, 1.74]
NPI-Q: Total symptom score, LSM ± SE 0.56 ± 0.74 0.23 ± 0.74 0.76
 LSM difference [95 % CI] −0.34 [−2.52, 1.85]
NPI-Q: Total distress score, LSM ± SE −0.02 ± 0.64 −0.27 ± 0.64 0.79
 LSM difference [95 % CI] −0.25 [−2.17, 1.67]
Blood pressure
 SBP (mmHg), LSM ± SE −1.94 ± 4.88 −4.06 ± 4.69 0.76
  LSM difference [95 % CI] −2.12 [−16.46, 12.22]
 DBP (mmHg), LSM ± SE −1.15 ± 3.71 −2.93 ± 3.57 0.74
  LSM difference [95 % CI] −1.79 [−12.69, 9.12]
Serum lipid levels
 TC (mg/dL), LSM ± SE 0.41 ± 5.72 −10.23 ± 5.50 0.20
  LSM difference [95 % CI] −10.64 [−27.46, 6.18]
 HDL-C (mg/dL), LSM ± SE 0.69 ± 1.75 0.57 ± 1.68 0.96
  LSM difference [95 % CI] −0.12 [−5.26, 5.02]
 LDL-C (mg/dL), LSM ± SE −4.26 ± 4.92 −14.90 ± 4.73 0.14
  LSM difference [95 % CI] −10.63 [−25.09, 3.83]
 TG (mg/dL), LSM ± SE −8.80 ± 11.59 −1.32 ± 11.15 0.65
  LSM difference [95 % CI] 7.48 [−26.60, 41.57]
 MDA-LDL (U/L), LSM ± SE 21.52 ± 7.21 −1.41 ± 6.93 0.04
  LSM difference [95 % CI] −22.93 [−44.13, −1.73]
Blood glucose levels
 FPG (mg/dL), LSM ± SE 0.75 ± 10.46 4.38 ± 10.06 0.81
  LSM difference [95 % CI] 3.63 [−27.13, 34.38]
 HbA1c (%), LSM ± SE 0.16 ± 0.08 0.01 ± 0.07 0.16
  LSM difference [95 % CI] −0.16 [−0.38, 0.07]
  1. ANCOVA analysis of covariance, CI confidence interval, DBP diastolic blood pressure, FAS full analysis set, FPG fasting plasma glucose, HbA1c hemoglobin A1c, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, LSM least square mean, MDM-LDL malondialdehyde-modified low-density lipoprotein, NPI-Q Neuropsychiatric Inventory Questionnaire, SBP systolic blood pressure, SE standard error, TC total cholesterol, TG triglycerides