Table 2. Weight and BMI measurements before and during the pandemic.

	Before pandemic			During pandemic			Difference
Measurements	Mean±SD	Median	Q1-Q3	Mean±SD	Median	Q1-Q3	Mean±SD	Median	Q1-Q3	p
FMS group
Weight (kg)	71.4±12.6	70	63-79	72.3±12.5	70	64-80	0.9±3.1	0	0-2	<0.001
BMI (kg/cm2)	26.7±4.7	26.1	23.44-29	27.0±4.6	26.56	23.6-29.3	0.3±1.3	0	0-0.8	<0.001
CLBP group
Weight (kg)	76.1±14.1	75	65.5-85	76.6±14.0	76	23.6-29.3	0.5±3.5	12	0-2	0.001
BMI (kg/cm2)	26.8±4.4	26.4	23.5-29.4	27.0±4.4	26.81	23.9-30	0.2±1.1	0	0-0.7	<0.001
Healthy control group
Weight (kg)	68.5±13.2	66	58.5-78	69.0±13.6	67	59-78	0.5±2.9	20	0-1	<0.001
BMI (kg/cm2)	24.6±4.1	24	21.6-27	24.8±4.3	24.03	21.9-27	0.2±1.0	0	0-0.48	<0.001
BMI: Body mass index; SD: Standard deviation; FMS: Fibromyalgia syndrome; CLBP: Chronic low back pain; Wilcoxon signed rank test.