Table 2.

Peri-procedural times of the study population

	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

P* Pre-pandemic group vs. Pandemic group, P** Pre-pandemic group vs. Post-epidemic group,

P*** Pandemic group vs. Post-epidemic group, CSC Comprehensive stroke centre,

PSC Primary stroke centre, DIDO Door-in-door-out, IQR Interquartile range (25%–75%)