Adverse events of both sham intervention and RIPC intervention groups, providing number (per cent)
| Adverse events | Sham intervention (n=37) | RIPC intervention (n=38) |
| Tingling | 5 (13.5%) | 17 (44.7%) |
| Redness of skin | 13 (35.1%) | 16 (42.1%) |
| Pins and needles | 2 (5.4%) | 10 (26.3%) |
| Skin marking | 2 (5.4%) | 8 (21.1%) |
| Pain | 0 | 3 (7.9%) |
| Uncomfortable | 1 (2.7%) | 3 (7.9%) |
| Numbness | 1 (2.7%) | 2 (5.3%) |
| Tightness | 2 (5.4%) | 1 (2.6%) |
| Swelling fingers or hand | 4 (10.8%) | 0 |
| Others | 1-Unbalanced | 1-Slightly dizzy |
| 2-Cold fingers | 1-Hot in forearm and hand | |
| 1-Light headed | ||
| None | 19 (51.4%) | 3 (7.9%) |
RIPC, remote ischaemic preconditioning.