. 2022 Oct 3;12:92. doi: 10.1186/s13613-022-01064-y

Table 2.

Obtainability and reproducibility of strain measurements per segment

	RV basal	RV mid	RV apical	S basal	S mid	S apical
Obtainability	99.4% (170/171)	93.6% (160/171)	98.8% (169/171)	93.0% (159/171)	92.4% (158/171)	89.5% (153/171)
Intra-observer ICC (95% CI)	0.90 (0.80, 0.95)	0.96 (0.92, 0.98)	0.85 (0.70, 0.92)	0.93 (0.88, 0.97)	0.95 (0.90, 0.97)	0.97 (0.93, 0.98)
Inter-observer ICC (95% CI)	0.92 (0.84, 0.96)	0.93 (0.87, 0.97)	0.78 (0.59, 0.88)	0.87 (0.75, 0.94)	0.88 (0.77, 0.94)	0.90 (0.79, 0.95)

RV basal

RV mid

RV apical

S basal

S mid

S apical

Obtainability

99.4%

(170/171)

93.6%

(160/171)

98.8%

(169/171)

93.0%

(159/171)

92.4%

(158/171)

89.5%

(153/171)

Intra-observer

ICC

(95% CI)

0.90

(0.80, 0.95)

0.96

(0.92, 0.98)

0.85

(0.70, 0.92)

0.93

(0.88, 0.97)

0.95

(0.90, 0.97)

0.97

(0.93, 0.98)

Inter-observer ICC

(95% CI)

0.92

(0.84, 0.96)

0.93

(0.87, 0.97)

0.78

(0.59, 0.88)

0.87

(0.75, 0.94)

0.88

(0.77, 0.94)

0.90

(0.79, 0.95)

RV Right ventricle free wall, S Septal wall, ICC Intraclass Correlation Coefficient, CI Confidence Interval

Estimated average time for offline manual strain analysis: 15 min per patient.