Table 3 Comparison of clinical data between thymomatous MG patients and non-thymomatous MG patients after PSM
Variables | Non-thymomatous MG patients | Thymomatous MG patients | T-test or x2 | P value |
|---|---|---|---|---|
N | 105 | 105 | ||
Age (years), mean ± SD | 50.0 ± 16.8 | 50.6 ± 13.6 | 8.884 | 0.776 |
Sex (male/female) | 53/52 | 47/58 | 0.687 | 0.407 |
Onset age of MG(< 50 years/ ≥ 50 years) | 52/53 | 48/57 | 0.305 | 0.580 |
Preoperative course of MG (≤ 12 months/ > 12 months) | 80/25 | 85/20 | 0.707 | 0.400 |
Dosage of pyridostigmine bromide(mg/d) | 210.8 ± 105.5 | 213.6 ± 127.9 | 3.796 | 0.860 |
Surgical procedure (VATS/Sternotomy) | 85/20 | 90/15 | 0.857 | 0.355 |
Osserman classification, n (%) | 0.020 | 0.889 | ||
I + IIa | 45 (42.9%) | 44 (41.9%) | ||
IIb + III + IV | 60 (57.1%) | 61 (58.1%) |