Lumbar Spinal Stenosis Has a Negative Impact on Quality of Life Compared with Other Comorbidities: An Epidemiological Cross-Sectional Study of 1862 Community-Dwelling Individuals

Table 3

Results of univariate analysis between lumbar spinal stensis (LSS) or the other seven comorbid conditions and quality of life (QoL).

	LSS		Knee OA		Hip OA		Hypertension		Cerebrovascular disease		Respiratory disease		Cardiovascular disease		Diabetic mellitus
	+	−	+	−	+	−	+	−	+	−	+	−	+	−	+	−
PF	68.8	80.7^1	71.1	81.8^1	75.0	78.5	75.7	79.1^4	60.2	78.1^6	76.7	77.9	75.0	78.2	74.2	78.0
	48.2	50.9^4	49.1	51.0^1	48.7	50.4^5	50.9	50.4	44.6	50.7^6	52.6	50.6	51.2	50.5	49.7	50.6
RP	50.8	70.7^1	53.6	72.7^1	67.2	66.4	61.7	68.2^6	51.6	66.0	25.0	65.9^7	51.6	67.5^2	59.7	66.0
	45.2	48.8^1	45.8	49.1^1	47.5	48.1	47.8	48.2	45.7	48.1	38.4	48.1^7	45.7	48.4^5	46.7	48.1
BP	55.9	71.1^1	61.1	71.3^1	64.0	68.2	67.2	68.8	64.6	68.2	55.3	68.2	65.2	68.5	63.2	68.4^7
	45.0	50.1^1	47.3	49.9^1	46.7	49.1^7	49.3	49.3	48.6	49.3	45.6	49.3	48.8	49.4	47.8	49.4
GH	51.9	64.5^1	55.8	64.1^2	54.5	62.1^2	59.3	63.3^2	48.1	62.1^3	48.3	61.9^7	51.9	62.9^1	56.7	62.1^6
	46.7	51.7^1	48.5	51.4^1	46.8	50.9^2	50.0	51.2^6	45.7	50.9^5	45.4	50.8	47.2	51.2^1	48.4	50.9^6
VT	62.9	71.1^1	66.5	71.1^1	67.7	69.5	69.3	69.6	65.4	69.6	55.6	69.6	69.1	69.6	66.1	69.7
	49.7	52.9^1	51.3	52.9^5	51.1	52.3	52.4	52.3	50.5	52.4	46.8	52.4	52.5	52.4	51.1	52.4
SF	81.8	86.9^1	84.7	86.4	84.2	85.9	84.4	86.8^7	83.6	86.0	91.7	85.9	84.5	86.1	84.1	86.0
	49.8	51.3	51.0	51.0^7	49.7	51.0	50.7	51.3	50.4	51.1	54.4	51.1	51.0	51.1	50.5	51.1
RE	57.9	74.7^1	62.2	75.3^1	71.0	71.2	65.0	73.5^4	66.7	70.5	22.2	70.6^6	59.3	71.8^4	62.7	70.8
	46.0	49.3^6	47.1	49.3	48.0	48.7	47.6	49.1^6	47.8	48.6	37.1	48.6^7	46.5	48.8^6	46.6	48.7
MH	69.7	75.4^1	72.5	74.7^6	72.3	74.3	74.3	74.5	74.3	74.4	74.0	74.4	71.7	74.7^7	72.0	74.5
	48.4	51.1^1	49.9	50.1^7	49.4	50.6	50.6	50.6	51.2	50.6	50.1	50.6	49.4	50.7^7	49.6	50.7
PCS*	45.2	48.1^1	45.4	48.4^1	47.8	47.5	47.7	47.5	43.2	47.6^7	38.0	47.6^7	46.3	47.4^7	46.3	47.6
MCS*	51.1	52.6	52.3	52.2	50.0	52.3^5	52.3	52.4	53.2	52.3	56.9	52.3	51.9	52.4	52.3	52.4

Upper: average of original score (0−100).
Lower: average of standardized score (average = 50, one-standard deviation = 10).
*PCS, MCS: only standardized score is available.
¹𝑃<0.0001,²𝑃<0.0005,³𝑃<0.001,⁴𝑃<0.005,⁵𝑃<0.01,⁶𝑃<0.05, and ⁷𝑃<0.1.
PF: physical functioning; RP: role-physical; BP: bodily pain; GH: general health perception; VT: vitality; SF: social functioning; RE: role-emotional; MH: mental health; PCS: physical component summary; MCS: mental component summary.