Effect of family caregiver nursing education on patients with rheumatoid arthritis and its impact factors: A randomized controlled trial

Table 3 Indicators of the intervention group grouped by relationship (mean ± SD)

Indicators	Son or daughter, n = 23				Spouse, n = 30				Others, n = 27
	Baseline	1st mo	3rd mo	6th mo	Baseline	1st mo	3rd mo	6th mo	Baseline	1st mo	3rd mo	6th mo
CRP (mg/L)	18.90 ± 5.03	15.09 ± 4.43	9.45 ± 4.24	0.98 ± 0.85	20.07 ± 5.45	16.27 ± 4.83	12.02 ± 3.59	2.44 ± 1.93	14.18 ± 4.67	13.67 ± 3.92	10.67 ± 3.43	3.55 ± 2.07
ESR (mm/h)	36.33 ± 3.88	32.46 ± 4.77	28.28 ± 4.30	24.45 ± 3.92	38.11 ± 4.23	33.13 ± 3.97	27.76 ± 2.79	22.57 ± 2.34	32.24 ± 5.73	29.08 ± 4.85	28.10 ± 3.33	25.12 ± 2.66
TNF-α (pg /mL)	47.25 ± 9.24	40.65 ± 9.04	33.57 ± 9.39	29.91 ± 7.74	44.71 ± 7.49	37.84. ± 6.44	32.24 ± 6.15	28.84 ± 4.62	40.24 ± 9.42	36.56 ± 8.57	34.08 ± 8.65	30.22 ± 7.84

CRP: C-reactive protein; ESR: Erythrocyte sedimentation rate; TNF-α: Tumor necrosis factor.