Table 2 Seasonal distribution of the onset of acute calcific tendinitis
From: Seasonal variation in the onset of acute calcific tendinitis of rotator cuff
Number of patients | Winter n (%) | Spring n (%) | Summer n (%) | Autumn n (%) | Goodness of fit | ||
|---|---|---|---|---|---|---|---|
χ2 | P | ||||||
Total | 195 | 31 (15.9) | 48 (24.6) | 69 (35.4) | 47 (24.1) | 14.9 | 0.002 |
Females | 116 | 19 (16.4) | 27 (23.3) | 44 (37.9) | 26 (22.4) | 11.7 | 0.009 |
Males | 79 | 12 (15.2) | 21 (26.6) | 25 (31.6) | 21 (26.6) | 4.6 | 0.204 |