Table 1 Preoperative and intraoperative variables
From: The interval time for the St. Thomas cardioplegia solution in mitral valve surgeries
Unmatched | Matched | ||||||||
|---|---|---|---|---|---|---|---|---|---|
All cases N = 340 | Group A <=30 n = 164 | Group B > 30 n = 176 | P | SMD | Group A <=30 n = 125 | Group B > 30 n = 125 | P | SMD | |
Female (%) | 165 (48.5) | 84 (51.2) | 81 (46.0) | 0.396 | 0.104 | 61 (48.8) | 57 (45.6) | 0.704 | 0.064 |
Male (%) | 175 (51.5) | 80 (48.8) | 95 (54.0) | 64 (51.2) | 68 (54.4) | ||||
Age | 58.3 (12.1) | 59.0 (11.7) | 57.7(12.5) | 0.315 | 0.109 | 58.2 (11.9) | 57.3(12.1) | 0.571 | 0.062 |
Height (cm) | 163 (8.45) | 163 (8.86) | 162 (8.07) | 0.823 | 0.028 | 164 (8.57) | 162 (7.90) | 0.270 | 0.031 |
Weight (kg) | 62.5 (11.2) | 63.7 (10.6) | 61.5 (11.6) | 0.063 | 0.202 | 63.6 (10.5) | 61.8(11.3) | 0.178 | 0.045 |
BMI(kg/m^2) | 23.6 (3.48) | 24.0 (3.33) | 23.2 (3.58) | 0.031 | 0.231 | 23.7 (3.08) | 23.4(3.46) | 0.393 | 0.085 |
BSA (m^2) | 1.64 (0.18) | 1.65 (0.17) | 1.63 (0.18) | 0.128 | 0.163 | 1.66 (0.17) | 1.63(0.18) | 0.187 | 0.036 |
Diabetes (%) | 42 (12.4) | 17 (10.4) | 25 (14.3) | 0.352 | 0.117 | 10 (8.00) | 17 (13.6) | 0.221 | 0.125 |
Hypertension (%) | 126 (37.2) | 61 (37.2) | 65 (37.1) | 1.000 | 0.005 | 49 (39.2) | 49 (39.2) | 1.000 | 0.131 |
Hyperlipidemia (%) | 117(34.5) | 55 (33.5) | 62 (35.4) | 0.801 | 0.035 | 40 (32.0) | 46 (36.8) | 0.506 | 0.017 |
COPD (%) | 4(1.18) | 1 (0.61) | 3(1.7) | 0.624 | 0.102 | 1 (0.80) | 2 (1.60) | 1.000 | 0.121 |
LVEF (%) | 64.0 [57.8;68.0] | 65.0 [59.0;68.0] | 63.0 [56.6;68.0] | 0.045 | 0.222 | 64.7 [59.0;67.0] | 64.4 [59.8;68.1] | 0.544 | 0.088 |
CKMB(U/L) | 11[8.0;14.0] | 11.[8.0;14.0] | 10.[8.0;14.] | 0.579 | 0.096 | 11.[9.0;13] | 11.[8.0;14] | 0.745 | 0.130 |
CKMB mass (ng/ml) | 1.53 [0.96;3.02] | 1.58 [0.83;2.78] | 1.38 [1.14;3.07] | 0.924 | 0.020 | 1.48 [1.00;1.55] | 1.27 [1.16;1.28] | 0.445 | 0.012 |
hs-cTnI (ng/L) | 0.01 [0.00;0.01] | 0.00 [0.00;0.01] | 0.01 [0.00;0.01] | 0.063 | 0.107 | 0.00 [0.00;0.01] | 0.01 [0.00;0.01] | 0.060 | 0.096 |
hs-cTnt (ug/L) | 14.8 [8.90;37.7] | 14.8 [9.28;34.8] | 14.9 [8.85;44.1] | 0.885 | 0.089 | 11.7 [9.00;13.1] | 12.5 [8.90;14.9] | 0.087 | 0.109 |
Creatinine (umol/L) | 73[61;89] | 70[60;84.0] | 76.[63;92] | 0.058 | 0.127 | 70.[62;84] | 76[64;92] | 0.249 | 0.136 |
Bnp(pg/ml) | 138 [55.0;272] | 133 [55.0;240] | 152 [55;305] | 0.237 | 0.288 | 122 [49.0;208] | 166 [56;281] | 0.146 | 0.194 |
Intraoperative | |||||||||
CPB time(min) | 149 (41.2) | 157 (41.1) | 142 (40.0) | 0.001 | 154 (35.3) | 142 (40.8) | 0.017 | ||
ACC time(min) | 112 (35.7) | 117 (37.3) | 107 (33.4) | 0.011 | 113 (30.2) | 107 (33.2) | 0.125 | ||
Electric defibrillation (%) | 278 (81.8) | 128 (78.0) | 150 (85.2) | 0.116 | 99 (79.2%) | 105(84.0%) | 0.414 | ||