Table 1 Baseline characteristics of patients under GA and CS
Variable name | Overall (n = 178) | GA (n = 139) | CS (n = 39) | P |
|---|---|---|---|---|
Demographic data | ||||
 Age, mean (SD), years | 60 (10) | 60 (10) | 60 (11) | 0.96 |
 Male sex | 150 (84.3) | 121 (87.1) | 29 (74.4) | 0.05 |
Vascular risk factors | ||||
 Hypertension | 125 (70.2) | 99 (71.2) | 26 (66.7) | 0.58 |
 Diabetes mellitus | 50 (28.1) | 41 (29.5) | 9 (23.1) | 0.43 |
 Dyslipidemia | 29 (16.3) | 26 (18.7) | 3 (7.7) | 0.14 |
 Coronary heart disease | 21 (11.8) | 16 (11.5) | 5 (12.8) | 0.78 |
 Previous ischemic stroke | 36 (20.2) | 24 (17.3) | 12 (30.8) | 0.07 |
 Current smoking | 66 (37.1) | 52(37.4) | 14 (35.9) | 0.86 |
Clinical characteristics | ||||
 Mode of stroke onset |  |  |  | 0.08 |
  Acute | 88 (49.4) | 67 (48.2) | 21(53.8) |  |
  Progressive | 82 (46.1) | 68 (48.9) | 14 (35.9) |  |
 Fluctuating | 8 (4.5) | 4 (2.9) | 4 (10.3) |  |
 Pre-procedural SBP, mean (SD),mmHg | 160(25) | 160(26) | 160 (24) | 0.86 |
 Post-procedural SBP, mean (SD),mmHg | 144 (21) | 143 (22) | 146 (19) | 0.57 |
 NIHSS score, median (IQR) | 20.5 (10–33) | 22 (11–35) | 16(6–30) | 0.04 |
 mRS before stroke, median (IQR) | 0 (0–0) | 0 (0–0) | 0 (0–0) | 0.30 |
 WBCs, mean (SD), ×1 09 | 10.8 (3.8) | 11.0 (3.7) | 10.3 (4.0) | 0.29 |
 Blood glucose, mean (SD), mmol/L | 8.8 (3.5) | 8.6 (3.2) | 9.8 (4.4) | 0.05 |
 Creatinine, mean (SD), umol/L | 70.0 (21.7) | 71.5 (20.7) | 64.8 (24.7) | 0.10 |
 pc-ASPECTS on DWI, median (IQR) | 6 (5–8) | 7 (5–8) | 6 (4–8) | 0.81 |
 PMI on DWI, median (IQR) | 2 (0–4) | 2 (0.25–4) | 2 (0–3) | 0.58 |
 Occlusion site |  |  |  | 0.99 |
  Proximal BA | 100 (56.2) | 78 (56.1) | 22 (56.4) |  |
  Middle BA | 51 (28.7) | 40 (28.8) | 11 (28.2) |  |
  Distal BA | 27 (15.2) | 21 (15.1) | 6 (15.4) |  |
 Tandem lesion | 24 (13.5) | 17 (12.2) | 7 (17.9) | 0.36 |
 Underlying ICAS | 111 (62.4) | 89 (64.0) | 22 (56.4) | 0.39 |
 ASITN/SIR collateral system |  |  |  | 0.68 |
  Grade 0–1 | 76 (42.7) | 61 (43.9) | 15 (38.5) |  |
  Grade 2 | 81 (45.5) | 63 (45.3) | 18 (46.2) |  |
  Grade 3–4 | 21 (11.8) | 15 (10.8) | 6 (15.4) |  |
 Stroke subtype by TOAST criteria |  |  |  | 0.82 |
  Large artery arteriosclerosis | 143 (80.3) | 112 (80.6) | 31 (79.5) |  |
  Cardioembolic | 28 (15.7) | 21 (15.1) | 7 (17.9) |  |
  Other or unknown etiology | 7 (3.9) | 6 (4.3) | 1 (2.6) |  |
Procedural features | ||||
 Prior use of intravenous tPA | 35 (19.7) | 26 (18.7) | 9 (23.1) | 0.54 |
 Use of Solitaire retriever | 130 (73.0) | 110 (79.1) | 20 (51.3) | < 0.01 |
 No. of passes, median (IQR) | 1 (1–2) | 1 (1–2) | 1 (1–2) | 0.44 |
 Intra-arterial tPA or Urokinase | 40(22.5) | 29 (20.9) | 11 (28.2) | 0.33 |
 Infusion of Tirofiban | 123 (69.1) | 102 (73.4) | 21 (53.8) | 0.02 |
 Heparinization | 76 (42.7) | 60 (43.2) | 16 (41.0) | 0.81 |
 Angioplasty |  |  |  | < 0.01 |
  No | 57 (32.0) | 36 (25.9) | 21 (53.8) |  |
  Balloon alone | 31 (17.4) | 25 (18.0) | 6 (15.4) |  |
  stenting | 90 (50.6) | 78 (56.1) | 12 (30.8) |  |
 OTP, median (IQR), hours | 7 (5–10) | 7 (5–10) | 7 (5–13) | 0.71 |
 PTR, median (IQR), hours | 1(0.5–2) | 1(0.5–2) | 1(0.5–2) | 0.34 |
 Anesthesia time (IQR), hours | 1.5 (1–2) | 1.5 (1–2) | 1 (1–2) | 0.01 |
 Successful recanaliation (mTICI 2b-3) | 151 (84.8) | 118 (84.9) | 33 (84.6) | 0.97 |