Table 9 Correlation results for the prognostic indicators

From: Clinical prognostic indicators of dysphagia following prolonged orotracheal intubation in ICU patients

	Gender		Age		TOF		RVU		NOI		IT		LS
	r	P	r	P	r	P	r	P	r	P	r	P	r	P
DSR1	−0.403	0.68	−0.142	0.08	−0.590	0.00	−0.322	0.00	0.014	0.86	−0.051	0.53	−0.018	0.82
Gender	-	-	−0.067	0.94	−0.421	0.67	−0.258	0.79	−0.383	0.70	−0.950	0.34	−0.337	0.73
Age	-	-	-	-	0.172	0.48	0.182	0.02	−0.017	0.83	−0.159	0.54	0.039	0.63
TOF	-	-	-	-	-	-	0.584	0.00	−0.031	0.72	0.064	0.46	0.159	0.06
RVU	-	-	-	-	-	-	-	-	−0.139	0.09	0.073	0.38	0.300	0.00
NOI	-	-	-	-	-	-	-	-	-	-	0.340	0.00	0.237	0.00
IT	-	-	-	-	-	-	-	-	-	-	-	-	0.165	0.04

TOF, Time to initiate oral feeding; RVU, Amount of individual treatment (revenue value unit); NOI, Number of orotracheal intubations; IT, Intubation time; LS, Length of hospital stay; r, Spearman’s correlation coefficient; P, significance value; DSR1, Dysphagia severity rate 1.

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