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Table 2 Peri-procedural times of the study population

From: Impact of the COVID-19 pandemic and post-epidemic periods on the process of endovascular treatment for acute anterior circulation ischaemic stroke

 

Pre-pandemic group(n = 32)

Pandemic group(n = 23)

Post-epidemic group(n = 39)

P* value

P** value

P*** value

Time data for directly admitted, median (IQR)

Total time (OTR)

260(220,330)

248(217,263)

305(115,394)

0.999

0.722

0.999

Prehospital time (OTD)

78(57,138)

119(112,234)

210(165,247)

0.330

0.096

0.624

Preparation time (DTP)

115(97,144)

93(89,109)

78(50,187)

0.391

0.594

0.661

 CSC door to imaging

12(10,31)

40(24,45)

18(15,24)

0.043

0.213

0.079

 Imaging to puncture

92(71,124)

69(44,73)

56(29,111)

0.111

0.248

0.770

Procedural time (PTR)

43(37,70)

39(37,40)

43(34,60)

0.240

0.755

0.556

Onset to puncture (OTP)

212(180,260)

209(180,227)

260(78,353)

0.902

0.563

0.884

Time data for referred patients, median (IQR)

Total time (OTR)

323(263,360)

380(342,404)

379(345,518)

0.022

0.005

0.609

Prehospital time (OTD)

199(160,240)

257(209,303)

252(220,361)

0.050

0.006

0.561

 Onset to PSC door

60(30,80)

73(60,120)

80(60,210)

0.037

0.007

0.677

 PSC door to imaging

20(13,60)

35(16,51)

32(20,50)

0.470

0.329

0.975

 Imaging to departure

31(20,50)

35(24,59)

38(16,70)

0.471

0.492

0.868

 DIDO

56(35,107)

72(60,100)

67(60,100)

0.294

0.281

0.983

 Departure to CSC door

74(63,90)

83(70,93)

75(60,90)

0.369

0.899

0.294

Preparation time (DTP)

60(37,80)

33(29,54)

59(42,78)

0.097

0.993

0.020

Procedural time (PTR)

48(35,66)

64(56,80)

60(40,87)

0.029

0.117

0.468

Onset to puncture (OTP)

270(225,300)

309(249,340)

313(290,420)

0.126

0.010

0.441

  1. P* Pre-pandemic group vs. Pandemic group, P** Pre-pandemic group vs. Post-epidemic group,
  2. P*** Pandemic group vs. Post-epidemic group, CSC Comprehensive stroke centre,
  3. PSC Primary stroke centre, DIDO Door-in-door-out, IQR Interquartile range (25%–75%)