Table 1.
Baseline characteristics
| PP | ITT | |||||
| SCB (n = 52) | ISB (N = 51) | Total (n = 103) | SCB (n = 54) | ISB (n = 53) | Total (n = 107) | |
| Male | 32 (62) | 27 (53) | 59 (57) | 33 (61) | 28 (53) | 61 (57) |
| Age (years) | 57 [51 to 65] | 58 [54 to 65] | 58 [52 to 65] | 57 [50 to 65] | 58 [54 to 65] | 58 [52 to 65] |
| BMI class | ||||||
| <18.5 | 2 (4) | 2 (2) | 2 (4) | 2 (2) | ||
| 18.5–25 | 20 (39) | 16 (31) | 36 (35) | 20 (37) | 17 (32) | 37 (35) |
| 25–30 | 23 (44) | 25 (49) | 48 (47) | 23 (43) | 26 (49) | 49 (46) |
| ≥30 | 9 (17) | 8 (16) | 17 (16) | 11 (20) | 8 (15) | 19 (18) |
| History of surgery | 49 (94) | 44 (86) | 93 (90) | 51 (94) | 46 (87) | 97 (91) |
| Shoulder | ||||||
| Right | 42 (81) | 37 (73) | 79 (77) | 43 (80) | 38 (72) | 81 (76) |
| Left | 10 (19) | 14 (27) | 24 (23) | 11 (20) | 15 (28) | 26 (24) |
| Number of tendons ruptured | ||||||
| 1 | 26 (50) | 31 (61) | 57 (55) | 27 (50) | 31 (59) | 58 (54) |
| 2 | 19 (36) | 19 (37) | 38 (37) | 20 (37) | 21 (40) | 41 (38) |
| 3 | 7 (14) | 1 (2) | 8 (8) | 7 (13) | 1 (2) | 8 (8) |
| Usual treatment | 23 (44) | 29 (57) | 52 (51) | 24 (44) | 30 (57) | 54 (51) |
All values shown are n (%) or median [IQR].
IQR, interquartile range; ISB, interscalene block; ITT, intent to treat; PP, per protocol; SCB, supraclavicular block.