Carotid corrected flow time and Doppler shock index for prediction of post-induction hypotension in patients undergoing elective abdominal surgery: a prospective observational study

Table 3 MAP at different time points in the two groups

Group	Time			χ²	P
	T0	T1	T2
Non-PIH (N = 54)	92.0 [86.8–101.0]	76.0 [72.8–81.0] ^a	73.5 [68.8–78.5] ^a,b	85.531	< 0.001
PIH (N = 44)	94.0 [81.3–102.2]	66.0 [60.3–73.8] ^a	61.5 [58.3–67.0] ^a,b	66.594	< 0.001
Z	− 0.417	− 4.946	− 6.611
P	0.677	< 0.001	< 0.001

Wald χ² group = 23.485; Wald χ² time = 664.083; Wald χ² interaction effect = 31.721
MAP Mean arterial pressure, T0 MAP Baseline MAP, T1 MAP Minimum MAP between induction of anesthesia and intubation, T2 MAP Minimum MAP within 10 min after intubation
P group = 0.01
P time = 0.01
P interaction effect = 0.01
Compared to T0 MAP, ^aP < 0.05; compared to T1 MAP, ^bP < 0.05.

ISSN: 2047-0525