Type of sputum sample | Year of examination | Total | P-value | ||||
---|---|---|---|---|---|---|---|
2007/08 no. (%) | 2008/09 no. (%) | 2009/10 no. (%) | 2010/11 no. (%) | 2011/12 no. (%) | |||
First spot sample | P = 0.98 | ||||||
Positive | 56 (22.2) | 55 (21.6) | 56 (22.2) | 55 (21.6) | 51 (20.2) | 273 (21.6) | |
Negative | 196 (77.8) | 200 (78.4) | 196 (77.8) | 200 (78.4) | 201 (79.8) | 993 (78.4) | |
Total | 252 (19.9) | 255 (20.1) | 252 (19.9) | 255 (20.1) | 252 (19.9) | 1266 (100) | |
Second morning sputum sample | P = 0.91 | ||||||
Positive | 57 (22.6) | 58 (22.7) | 60 (23.8) | 58 (22.7) | 50 (19.8) | 283 (22.4) | |
Negative | 195 (77.4) | 197 (77.3) | 192 (76.2) | 197 (77.3) | 202 (80.2) | 983 (77.6) | |
Total | 252 (19.9) | 255 (20.1) | 252 (19.9) | 255 (20.1) | 252 (19.9) | 1266 (100) | |
Third spot sample | P = 0.89 | ||||||
Positive | 55 (21.8) | 53 (20.8) | 56 (22.2) | 54 (21.2) | 47 (18.7) | 265 (20.9) | |
Negative | 197 (78.2) | 202 (79.2) | 196 (77.8) | 201 (78.8) | 205 (81.3) | 1001 (79.1) | |
Total | 252 (19.9) | 255 (20.1) | 252 (19.9) | 255 (20.1) | 252 (19.9) | 1266 (100) |