Controls | SLE | SLE asymptomatic | SLE symptomatic | A vs B p Value | A vs C p Value | A vs D p Value | C vs D p Value | |
---|---|---|---|---|---|---|---|---|

Number of joints | (n=220) | (n=792) | (n=660) | (n=132) | ||||

A | B | C | D | |||||

SH≥1, n (%) | 6 (2.7) | 88 (11.1) | 54 (8.2) | 34 (25.7) | <0.001 | 0.005 | <0.001 | <0.001 |

SH≥2, n (%) | 0 | 25 (3.1) | 5 (0.7) | 20 (15.1) | 0.002 | 0.23 | <0.001 | <0.001 |

PD≥1, n (%) | 0 | 26 (3.3) | 9 (1.4) | 17 (12.9) | 0.002 | 0.07 | <0.001 | <0.001 |

Statistical tests: χ

^{2}test, Fisher’s exact test.PD, power Doppler; SH, synovial hypertrophy; SLE, systemic lupus erythematosus.