Oxidative Stress in Patients before and after On-Pump and Off-Pump Coronary Artery Bypass Grafting: Relationship with Syntax Score
Table 2
Oxidative stress status parameters according to SYNTAX Score tertile values in different study times depending on significant change through SS subgroups.
Parameter
Low ()
Moderate SS 22-32 ()
High ()
sTAS t1 (μmol/L)
497 (331-564)
393 (157-689)
247 (113-370)aa
<0.05
sTAS t2 (μmol/L)
476 (261-653)
238 (206-575)
166 (2.00-290)aaa,bb
<0.01
sTAS t3 (μmol/L)
568 (438-638)
617 (434-727)
357 (220-526)aa,bb
<0.01
sTOS t3 (μmol/L)
26.4 (20.5-32.7)
18.3 (15.6-22.9)a
15.1 (12.5-23.0)aa,b
<0.05
sTOS t4 (μmol/L)
20.8 (17.4-24.9)
17.7 (14.3-20.5)
16.7 (10.8-22.6)a
<0.05
pSOD t5 (U/L)
144 (120-156)
121 (60-135)a
111 (76-122)aa
<0.05
sPAB t5 (U/L)
125 (115-145)
118 (107-136)
145 (125-179)a,b
<0.05
TAS/TOS t2
20.3 (9.5-28.0)
14.0 (7.8-30.6)
7.3 (0.1-13.7)aa,bb
<0.05
OSI index t2
0.05 (0.04-0.11)
0.07 (0.03-0.13)
0.14 (0.07-7.87)aa,bb
<0.01
: Kruskall-Wallis test, a,aa,aaa; 0.01; 0.001, respectively, vs. low SS group (<22 points), Mann-Whitney test; b,bb,; 0.01, respectively, vs. moderate SS (22-32 points), Mann-Whitney test; s: serum; p: plasma.