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Table 9 The comparison in weekly average of outstanding pores, large pores, and blackheads

From: Effects of the myrtle essential oil on the acne skin—clinical trials for Korean women

  Myrtle
M(± SD)
Control
M(± SD)
t p
Outstanding pores 0 week 1271.9(± 677.3) 1127.7(± 905.9) 4.572 0.000**
3 week 1080.8(± 586.7) 1132.5(± 799.9)
6 week 907.5(± 484.6) 1146.9(± 853.8)
0–6 gap − 364.4(± 232.2) + 19.2(± 128.4)
Large pores 0 week 38.8(± 46.4) 30.9(± 54) 3.160 0.005**
3 week 35.1(± 44.5) 31.2(± 53.5)
6 week 34.5(± 43.4) 31.9(± 54)
0–6 gap − 4.3(± 4.9) + 1.1(± 2.3)
Blackheads 0 week 649.2(± 468.2) 569.5(± 630.1) 5.130 0.000**
3 week 508.5(± 342.4) 629.1(± 662.9)
6 week 287.2(± 229.8) 619.1(± 647.1)
0–6 gap − 362.0(± 244.6) + 49.6(± 67.6)
  1. p < 0.01 is present as **