Table 1.
Baseline characteristics.
| N (%) | Mean (SD) | |
|---|---|---|
| Age | 150 | 67 (8) |
| Age category | ||
| ≤60 | 30 (20) | |
| 61–70 | 66 (44) | |
| >70 | 54 (36) | |
| Gender | ||
| Women | 88 (59) | |
| Men | 62 (41) | |
| Smoking | ||
| No | 119 (92) | |
| Yes | 10 (8) | |
| BMI | 68 | 28 (6) |
| ASA Physical Status Classification System | ||
| I. Healthy patient | 18 (12) | |
| II. Mild systemic disease | 78 (52) | |
| III. Severe systemic disease | 52 (35) | |
| IV. Severe systemic disease that is a constant threat to life | 1 (1) | |
| Pre-operative pain (0–10) | 135 | 6 (2) |
| Constant score (0–100) | 130 | 36 (16) |
| Subjective Shoulder Value (0–100) * | 67 | 44 (23) |
| Abduction ° | 135 | 79 (28) |
| Flexion ° | 135 | 96 (28) |
| Abduction strength, affected arm (kg) | 133 | 1 (3) |
| Abduction strength, unaffected arm (kg) | 127 | 7 (3) |
| EQ-VAS (0–100) * | 72 | 68 (19) |
| Walch classification | ||
| A1 | 30 (20) | |
| A2 | 56 (38) | |
| B1 | 19 (13) | |
| B2 | 26 (18) | |
| B3 | 10 (7) | |
| C | 6 (4) | |
| Pegged glenoid component size | ||
| Small | 87 (58) | |
| Medium | 50 (33) | |
| Large | 13 (9) | |
| Humeral Head component size | ||
| 39/16 | 7 (5) | |
| 41/16 | 27 (18) | |
| 43/16 | 36 (24) | |
| 45/17 | 31 (21) | |
| 47/18 | 22 (15) | |
| 49/18 | 16 (11) | |
| 51/19 | 8 (5) | |
| 53/20 | 3 (2) |
Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index; SD, standard deviation; VAS, visual analogue scale; Walch classification: A1, minor central erosion; A2, severe or major central erosion; B1, no obvious glenoid erosion with posterior joint space narrowing, subchondral sclerosis and osteophytes; B2, obvious erosions of posterior glenoid with biconcave appearance; B3, uniconcavity, medialization, retroversion and subluxation; C, glenoid retroversion > 25°. Active ranges of motion are presented. * Parameter introduced in 2014.