Table 4 Number of AS patients with progression, as determined by the CTSS and sCTSS.
CTSS Reader 1 n (%) | CTSS Reader 2 n (%) | sCTSS Reader 1 n (%) | sCTSS Reader 2 n (%) | P for reader 1* | P for reader 2* | ||||
|---|---|---|---|---|---|---|---|---|---|
SDC | SDC | ||||||||
Whole spine | |||||||||
Change > 0.0 | Positive | 37 (74) | 45 (90) | 36 (72) | 37 (74) | 0.99 | 0.07 | ||
Negative | 7 (14) | 2 (4) | 8 (16) | 7 (14) | |||||
Net | 30 (60) | 43 (86) | 28 (56) | 30 (60) | |||||
Change > 0.5 | Positive | 31 (62) | 41 (82) | 31 (62) | 34 (68) | 0.99 | 0.17 | ||
Negative | 5 (10) | 2 (4) | 6 (12) | 4 (8) | |||||
Net | 26 (52) | 39 (78) | 25 (50) | 30 (60) | |||||
Change > SDC | 14.7 | Positive | 8 (16) | 13 (26) | 5.7 | 17 (34) | 9 (18) | 0.07 | 0.47 |
Negative | 1 (2) | 1 (2) | 1 (2) | 1 (2) | |||||
Net | 7 (14) | 12 (24) | 16 (32) | 8 (16) | |||||
Cervical spine | |||||||||
Change > 0.0 | Positive | 30 (60) | 28 (56) | 25 (50) | 23 (46) | 0.42 | 0.42 | ||
Negative | 4 (8) | 9 (18) | 4 (8) | 13 (26) | |||||
Net | 26 (52) | 19 (38) | 21 (42) | 10 (20) | |||||
Change > 0.5 | Positive | 11 (22) | 13 (26) | 15 (30) | 12 (24) | 0.49 | 0.99 | ||
Negative | 2 (4) | 1 (2) | 1 (2) | 1 (2) | |||||
Net | 9 (18) | 12 (24) | 14 (28) | 11 (22) | |||||
Change > SDC | 3.2 | Positive | 8 (16) | 8 (16) | 2.2 | 8 (16) | 9 (18) | 0.99 | 0.99 |
Negative | 1 (2) | 1 (2) | 1 (2) | 1 (2) | |||||
Net | 7 (14) | 7 (14) | 7 (14) | 8 (16) | |||||
Thoracic spine | |||||||||
Change > 0.0 | Positive | 30 (60) | 40 (80) | 30 (60) | 30 (60) | 0.99 | 0.06 | ||
Negative | 12 (24) | 5 (10) | 8 (16) | 9 (18) | |||||
Net | 18 (36) | 35 (70) | 22 (44) | 21 (42) | |||||
Change > 0.5 | Positive | 23 (46) | 31 (62) | 23 (46) | 23 (46) | 0.99 | 0.16 | ||
Negative | 6 (12) | 2 (4) | 7 (14) | 6 (12) | |||||
Net | 17 (34) | 29 (58) | 16 (32) | 17 (34) | |||||
Change > SDC | 11.4 | Positive | 5 (10) | 8 (16) | 4.9 | 12 (24) | 8 (16) | 0.11 | 0.99 |
Negative | 2 (4) | 0 | 2 (4) | 1 (2) | |||||
Net | 3 (6) | 8 (16) | 10 (20) | 7 (14) | |||||
Lumbar spine | |||||||||
Change > 0.0 | Positive | 34 (68) | 34 (68) | 28 (56) | 28 (56) | 0.30 | 0.30 | ||
Negative | 4 (8) | 4 (8) | 7 (14) | 8 (16) | |||||
Net | 30 (60) | 30 (60) | 21 (42) | 20 (40) | |||||
Change > 0.5 | Positive | 19 (38) | 20 (40) | 14 (28) | 17 (34) | 0.40 | 0.68 | ||
Negative | 2 (4) | 1 (2) | 3 (6) | 4 (8) | |||||
Net | 17 (34) | 19 (38) | 11 (22) | 13 (26) | |||||
Change > SDC | 3.7 | Positive | 9 (18) | 16 (32) | 1.8 | 14 (28) | 17 (34) | 0.34 | 0.99 |
Negative | 0 | 1 (2) | 3 (6) | 4 (8) | |||||
Net | 9 (18) | 15 (30) | 11 (22) | 13 (26) | |||||
