| M ± SD (range) | N (%) |  | M ± SD (range) | N (%) |  | M ± SD (range) | N (%) |
---|---|---|---|---|---|---|---|---|
K1 | 0.90 ± 0.30 (0–1) | 1574 (89.89) | A1 | 1.71 ± 0.58 (0–2) | 1362 (77.78) | P1 | 0.74 ± 0.44 (0–1) | 1292 (73.79) |
K2 | 0.79 ± 0.41 (0–1) | 1381 (78.87) | A2 | 1.43 ± 0.85 (0–2) | 1162 (66.36) | P2 | 0.57 ± 0.50 (0–1) | 993 (56.71) |
K3 | 0.88 ± 0.32 (0–1) | 1543 (88.12) | A3 | 1.78 ± 0.56 (0–2) | 1496 (85.44) | P3 | 0.42 ± 0.49 (0–1) | 744 (42.49) |
K4 | 0.85 ± 0.36 (0–1) | 1489 (85.04) | A4 | 1.76 ± 0.59 (0–2) | 1468 (83.84) | P4 | 0.78 ± 0.41 (0–1) | 1367 (78.07) |
K5 | 0.89 ± 0.31 (0–1) | 1565 (89.38) |  |  |  | P5 | 0.20 ± 0.40 (0–1) | 351 (20.05) |
K6 | 0.90 ± 0.30 (0–1) | 1573 (89.83) |  |  |  | P6 | 0.37 ± 0.48 (0–1) | 652 (37.24) |
K7 | 0.90 ± 0.31 (0–1) | 1568 (89.55) |  |  |  | P7 | 0.39 ± 0.49 (0–1) | 681 (38.89) |
K8 | 0.83 ± 0.38 (0–1) | 1452 (82.92) |  |  |  | P8 | 0.16 ± 0.37 (0–1) | 284 (16.22) |
K9 | 0.83 ± 0.38 (0–1) | 1448 (82.70) |  |  |  |  |  |  |
K | 7.76 ± 2.02 (0–9) | 86.26% | A | 6.68 ± 1.56 (0–8) | 78.36% | P | 3.63 ± 1.91 (0–8) | 45.43% |