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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Cytokine. 2010 Oct 8;53(1):66–73. doi: 10.1016/j.cyto.2010.09.003

Table 6.

Median (10th, 90th centiles) for 2 matrix metalloproteins (MMP-1 and MMP-9) on 3 different days presented separately for 3 gestational age categories in the entire sample and then in samples stratified by whether or not the placenta was inflamed. Protein concentrations are pg/mg total protein

Protein Median (10th, 90th centile)
GA Day 1 Day 7 Day 14
Entire sample
MMP-1
 × 10−1
23-24 66 (18, 171) 52 (17, 105) 65 (21, 174)
25-26 59 (20, 150) 53 (24, 148) 68 (27, 204)
27 57 (19, 148) 69 (20, 173) 90 (26, 250)
MMP-9
 × 10−2
23-24 93 (25, 317) 173 (55, 659) 197 (68, 567)
25-26 81 (26, 322) 141 (51, 430) 162 (66, 352)
27 76 (23, 304) 97 (36, 299) 126 (47, 294)
Inflamed placenta
MMP-1
  × 10−1
23-24 66 (23, 174) 47 (22, 103) 66 (25, 183)
25-26 75 (27, 175) 58 (27, 169) 73 (29, 239)
27 70 (19, 197) 73 (18, 166) 98 (28, 278)
MMP-9
  × 10−2
23-24 106 (25, 382) 306 (93, 855) 196 (99, 638)
25-26 110 (28, 480) 219 (91, 589) 159 (65, 309)
27 126 (26, 589) 190 (88, 547) 112 (50, 285)
Non-inflamed placenta
MMP-1
 × 10−1
23-24 64 (14, 167) 58 (14, 111) 60 (18, 142)
25-26 46 (16, 114) 49 (23, 123) 64 (25, 187)
27 51 (19, 131) 66 (20, 181) 83 (25, 241)
MMP-9
 × 10−2
23-24 82 (25, 209) 114 (41, 405) 197 (60, 534)
25-26 71 (26, 219) 95 (37, 302) 164 (68, 408)
27 65 (22, 171) 79 (33, 172) 131 (45, 297)