Table 3.

Risk factors associated with severe postinjury shoulder pain (visual analog scale>40) at 6 weeks/3 months/6 months (n=120)

	VAS>40 (6 weeks)		VAS>40 (3 months)		VAS>40 (6 months)
	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)	P
Age	1.03 (0.98-1.09)	0.256	1.04 (0.99-1.08)	0.069	0.99 (0.95-1.04)	0.691
Gender
Male	References	NA	References	NA	References	NA
Female	26.60 (2.36-299.47)	0.008*	1.79 (0.40-7.90)	0.445	0.73 (0.12-4.50)	0.735
OP
No	References	NA	References	NA	References	NA
Yes	<0.01 (<0.01-0.02)	<0.001*	0.04 (0.01-0.23)	<0.001*	0.10 (0.01-0.75)	0.025*
Smoking
No	References	NA	References	NA	References	NA
Yes	6.47 (0.58-72.21)	0.129	0.42 (0.04-4.67)	0.477	1.74 (0.22-13.70)	0.598
DM
No	References	NA	References	NA	References	NA
Yes	4.42 (0.58-33.95)	0.153	2.29 (0.28-18.46)	0.437	3.14 (0.24-41.62)	0.385
Injury over dominant hand
No	References	NA	References	NA	References	NA
Yes	0.91 (0.18-4.70)	0.908	1.51 (0.38-5.97)	0.557	2.09 (0.40-10.93)	0.382
Shortening
No	References	NA	References	NA	References	NA
Yes	0.28 (<0.01-35.64)	0.604	0.00 (NA)	0.999	0.00 (NA)	0.999
Robinson classification
2B1	References	NA	References	NA	References	NA
2B2	0.25 (0.02-2.85)	0.263	0.58 (0.05–6.21)	0.651	0.00 (NA)	0.999

Data are presented as ORs (95% CI). *P<0.05 was considered statistically significant. OP: Operation received, DM: Diabetes mellitus, ORs: Odds ratios, NA: Not available, CI: Confidence interval, VAS: Visual analog scale