. 2021 Jun;11(6):2333–2343. doi: 10.21037/qims-20-996

Table 2. Qualitative and quantitative SPECT findings in different joint groups.

Joint group	Visual assessment	Median MCCR (range)
Joint group	Visual assessment	Soft tissue	Osseous
2nd–5th MCPs	Normal	0.90 (0.37–1.82)	0.92 (0.43–1.30)
2nd–5th MCPs	Abnormal	1.66 (1.25–1.90)	1.88 (1.37–2.70)
2nd–5th PIPs	Normal	1.02 (0.40–2.80)	1.00 (0.60–1.72)
2nd–5th PIPs	Abnormal	2.18 (1.26–6.30)	1.63 (1.20–5.87)
2nd–5th DIPs	Normal	1.22 (0.80–3.20)	1.10 (0.70–1.53)
2nd–5th DIPs	Abnormal	1.80 (1.23–3.90)	1.83 (1.22–6.14)
2nd–5th CMCs	Normal	0.82 (0.39–1.48)	0.98 (0.54–1.70)
2nd–5th CMCs	Abnormal	1.80 (1.60–1.99)	1.40 (1.24–1.50)

MCCR, maximum corrected count ratio; MCPs, metacarpophalangeal joints; PIPs, proximal inter-phalangeal joints; DIPs, distal inter-phalangeal joints; CMCs, carpo-metacarpophalangeal joints.