Table 4

Impact of positive status for High-14-3-3η, rheumatoid factor (RF), anticyclic peptide antibodies (ACPA) and high C-reactive protein (CRP) at each visit on prediction of rapid erosive progression (REP) according to low (<5) (table 4A) or high Sharp Erosion Score (≥5) (table 4B) at a given visit

VisitsREP (ΔErosions ≥5 between 2 consecutive visits)
Totaln (%)RR (95% CI)P value
A
Non-erosive status at the visit (Sharp Erosion Score <5)
Individual variables
 14-3-3η43737 (8.5)2.78 (1.75–4.4)<0.0001
 ACPA positive45741 (9)3.64 (2.19–6.03)<0.0001
 RF positive46140 (8.7)3.19 (1.98–5.14)<0.0001
 CRP48546 (9.5)4.31 (2.65–7.01)<0.0001
RF, ACPA(n=1388)
 Both negative81616 (2)1
 One positive26417 (6.4)3.29 (1.69–6.39)0.0005
 Both positive30831 (10.1)5.1 (2.81–9.26)<0.0001
RF, CRP(n=1505)
 Both negative72512 (1.7)1
 One positive61526 (4.2)2.52 (1.3–4.87)0.0062
 Both positive16530 (18.2)10.62 (5.56–20.3)<0.0001
ACPA, CRP(n=1392)
 Both negative6368 (1.3)1
 One positive60128 (4.7)3.71 (1.74–7.93)0.0007
 Both positive15528 (18.1)14.06 (6.62–29.85)<0.0001
14-3-3η, RF(n=1443)
 Both negative79621 (2.6)1
 One positive41615 (3.6)1.36 (0.72–2.56)0.347
 Both positive23131 (13.4)4.99 (2.9–8.6)<0.0001
14-3-3η, ACPA(n=1335)
 Both negative68813 (1.9)1
 One positive45425 (5.5)2.88 (1.51–5.51)0.0014
 Both positive19325 (13)6.75 (3.51–12.96)<0.0001
14-3-3η, CRP(n=1446)
 Both negative68215 (2.2)1
 One positive62422 (3.5)1.58 (0.84–2.98)0.1567
 Both positive14030 (21.4)9.41 (5.25–16.86)<0.0001
14-3-3η, RF, CRP(n=1443)
 All negative54012 (2.2)1
 One positive54412 (2.2)0.99 (0.45–2.16)0.9814
 Two positive27519 (6.9)3.07 (1.53–6.17)0.0016
 All positive8424 (28.6)12.47 (6.47–24.03)<0.0001
14-3-3η, ACPA, CRP(n=1334)
 All negative4566 (1.3)1
 One positive54718 (3.3)2.48 (1.01–6.06)0.0464
 Two positive26018 (6.9)5.21 (2.13–12.75)0.0003
 All positive7121 (29.6)21.85 (9.3–51.34)<0.0001
14-3-3η, RF, ACPA(n=1331)
 All negative62713 (2.1)1
 One positive3179 (2.8)1.37 (0.6–3.11)0.4504
 Two positive23319 (8.2)3.91 (1.96–7.79)0.0001
 All positive15422 (14.3)6.81 (3.49–13.3)<0.0001
RF, ACPA, CRP(n=1388)
 All negative5526 (1.1)1
 One positive45718 (3.9)3.61 (1.48–8.79)0.0047
 Two positive26016 (6.2)5.7 (2.29–14.17)0.0002
 All positive11924 (20.2)18.11 (7.7–42.61)<0.0001
14-3-3η, RF, ACPA, CRP(n=1331)
 All negative4116 (1.5)1
 One positive45013 (2.9)1.96 (0.77–5.02)0.158
 Two positive2348 (3.4)2.34 (0.85–6.5)0.1015
 Three positive17618 (10.2)6.95 (2.83–17.03)<0.0001
 All positive6018 (30)19.99 (8.39–47.64)<0.0001
B
Erosive status at the visit (Sharp Erosion Score ≥5)
Individual variables
 14-3-3η25852 (20.2)1.08 (0.75–1.55)0.6827
 ACPA positive27062 (22.3)1.6 (1.06–2.42)0.0245
 RF positive30175 (24.9)1.93 (1.31–2.84)0.0009
 CRP23662 (26.3)1.67 (1.19–2.34)0.0029
RF, ACPA(n=550)
 Both negative24329 (11.9)1
 One positive8918 (20.2)1.48 (0.79–2.74)0.2192
 Both positive21854 (24.8)2.09 (1.3–3.35)0.0022
RF, CRP(n=650)
 Both negative23220 (8.6)1
 One positive30259 (19.5)2 (1.25–3.2)0.004
 Both positive11639 (33.6)3.17 (1.87–5.35)<0.0001
ACPA, CRP(n=553)
 Both negative18620 (10.8)1
 One positive26346 (17.5)1.58 (1.05–2.37)0.0299
 Both positive10435 (33.7)2.58 (1.57–4.26)0.0002
14-3-3η, RF(n=640)
 Both negative27440 (14.6)1
 One positive17729 (16.4)1.32 (0.85–2.06)0.2145
 Both positive18949 (25.9)1.65 (1.04–2.64)0.0344
14-3-3η, ACPA(n=546)
 Both negative21531 (14.4)1
 One positive17334 (19.7)1.26 (0.84–1.88)0.2667
 Both positive15836 (22.8)1.45 (0.91–2.33)0.1204
14-3-3η, CRP(n=644)
 Both negative25333 (13)1
 One positive29056 (19.3)1.28 (0.86–1.89)0.2222
 Both positive10129 (28.7)1.85 (1.19–2.89)0.0063
14-3-3η, RF, CRP(n=640)
 All negative18119 (10.5)1
 One positive20836 (17.3)1.64 (0.95–2.84)0.0784
 Two positive17436 (20.7)1.83 (1.05–3.19)0.0316
 All positive7727 (35.1)2.86 (1.58–5.19)0.0005
14-3-3η, ACPA, CRP(n=546)
 All negative13715 (10.9)1
 One positive19835 (17.7)1.45 (0.95–2.23)0.0875
 Two positive14128 (19.9)1.69 (0.99–2.87)0.0535
 All positive7023 (32.9)2.42 (1.4–4.21)0.0017
14-3-3η, RF, ACPA(n=543)
 All negative19527 (13.8)1
 One positive9413 (13.8)1.02 (0.55–1.91)0.9491
 Two positive11426 (22.8)1.69 (0.97–2.92)0.0625
 All positive14035 (25)1.78 (1.05–3.03)0.0336
RF, ACPA, CRP(n=550)
 All negative16113 (8.1)1
 One positive14028 (20)1.94 (1.18–3.19)0.0091
 Two positive16228 (17.3)2.16 (1.25–3.72)0.0055
 All positive8732 (36.8)3.65 (2.1–6.37)<0.0001
14-3-3η, RF, ACPA, CRP(n=543)
 All negative12612 (9.5)1
 One positive13324 (18)1.63 (0.94–2.84)0.0847
 Two positive10517 (16.2)1.71 (0.93–3.14)0.0841
 Three positive11726 (22.2)2.22 (1.2–4.1)0.0111
 All positive6222 (35.5)3.07 (1.64–5.75)0.0005