Table 3.

Comparisons between incidence rates of psychological illness in primary and revision surgical cases of musculoskeletal (MSK) diseases (adult spinal deformity [ASD], degenerative disc disease [DDD], total hip arthroplasty [THA], and total knee arthroplasty [TKA]).

		Any Psychological Condition	Substance Disorder	Depressive Disorder	Sleep	Anxiety
ASD	Primary	36.50%	11.00%	15.20%	7.70%	6.30%
	Revision	42.20%	12.80%	19.80%	8.50%	7.50%
	P-Value	P < 0.001	P < 0.001	P < 0.001	P = 0.053	P = 0.003
Degenerative	Primary	36.20%	17.60%	13.60%	5.90%	5.50%
	Revision	41.30%	18.40%	17.70%	7.70%	5.90%
	P-Value	P < 0.001	P = 0.008	P < 0.001	P < 0.001	P = 0.049
THA	Primary	27.60%	8.50%	9.60%	3.70%	4.10%
	Revision	21.20%	7.20%	8.60%	0.80%	2.70%
	P-Value	P < 0.001	P < 0.001	P < 0.001	P < 0.001	P < 0.001
TKA	Primary	25.00%	6.20%	10.50%	6.20%	4.30%
	Revision	19.80%	5.60%	9.30%	1.70%	2.80%
	P-Value	P < 0.001	P < 0.001	P < 0.001	P < 0.001	P < 0.001