Table 1.
Baseline characteristics of five randomised trials on follow up after curative resection for colorectal cancer
| Study |
No
of patients
|
Mean
(SD) age
(years)*
|
Men/women
|
Colon/rectum
|
Dukes'
stage
(A/B/C)
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intensive | Control | Intensive | Control | Intensive | Control | Intensive | Control | Intensive | Control | |||||
| Extramural detection trials | ||||||||||||||
| Makela et al, 199517 | 52 | 54 | 63 (9) | 69 (8) | 25/27 | 27/27 | 36/16 | 39/15 | 13/24/15 | 15/24/15 | ||||
| Ohlsson et al, 199518 | 53 | 54 | 66 (9) | 66 (9) | 20/33 | 31/23 | 34/19 | 3717 | 10/21/22 | 9/26/19 | ||||
| Schoemaker et al, 199819 | 167 | 158 | 67 (9) | 69 (7) | 109/58 | 98/60 | 121/46 | 117/41 | 41/79/47 | 30/74/54 | ||||
| Pietra et al, 199820 | 104 | 103 | 62 (12) | 64 (9) | 56/46 | 53/50 | 73/31 | 66/37 | 0/62/42 | 0/60/43 | ||||
| Intramural detection trial | ||||||||||||||
| Kjeldsen et al, 199721 | 290 | 307 | 64 (6) | 64 (6) | 168/122 | 158/149 | 156/134 | 158/149 | 68/148/74 | 70/145/92 | ||||
*
SD estimated from stated ranges.