Patient satisfaction with peri-operative anesthesia care and associated factors at two National Referral Hospitals: a cross sectional study in Eritrea

Table 2 Psychometric properties and descriptive summaries of the three scale components and total LPPSq

Dimension	Number of items	Chronbach α	Median dimension score (IQR)	Maximum dimension score	Inter-item correlation (IIC)	Item-discriminant validity (IDV)
Information	5	0.808	9 (8)	20	0.462–0.887*	0.020–0.387; 0.408^a
Fear & concern	4	0.782	14 (6)	16	0.438–0.882*	0.002–0.302
Staff-patient relationship	11	0.882	33 (0)	44	0.509–0.631*	0.002–0.387; 0.408^a
LPPSq	20	0.763	55 (31)	80	†	†

† Cannot be computed, * Significant at p < 0.001, ^a only one item was found to have IDV > 0.4.

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